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202 Cards in this Set
- Front
- Back
What is the average % body fat of a 5/9 BCS cat or dog? |
20% (15-25) |
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Which has the greater BMR: an 25 lb dog with 19% body fat, or a 25 lb dog with 43% body fat? Why? |
The animal with lower body fat % Adipose tissue will use much less energy compared to muscle mass or organ systems |
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What is the rule of thumb coefficient for average maintenance energy calculation? |
1.5 to 2 |
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What are some potential reasons to feed more nutrients to a sick animal? |
-Increased nutrient loss (diarrhea, renal disease, etc) -Increased nutrient requirements (fever, tissue repair, etc) |
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What are some potential reasons to feed less nutrients to a sick animal? |
-Reduced activity, work, and growth -Lack of intake -Inability to absorb and metabolize nutrients |
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What two amino acids are uniquely required in the diet of cats? |
Taurine and arginine |
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What is the first limiting amino acid in the diet of horses and hogs? What diet does this usually occur in? |
Lysine Corn and Soybean diets |
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What type of taste are dogs insensitive to? |
salty (exp compared to humans) |
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What type of taste are cats insensitive to? |
sweet |
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Between horses and cows, which animal tends to spend more time eating? |
Horses |
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What is the limit (in body weight %) of grain that can be fed in a single meal? |
0.5% |
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How do energy requirements of females in their first and second trimester of pregnancy compare to maintenance energy requirements? |
Generally similar, not significantly different |
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How do energy requirements of females in their third trimester of pregnancy compare to maintenance energy requirements? |
above maintenance due to exponential growth of fetus and preparation of mammary glands |
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How can cycling of a female be ceased? |
Sever nutrient restriction (25% of body weight) |
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Describe flushing |
By increasing energy prior to breeding, results in more ovulation and increases possibility of twins or triplets |
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At which point is a dam committed to a parasitic fetus, even at the loss of its own nutrient health? |
From Trimester 2 onwards |
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Of glucose, amino acids, and fat, which will generally go to the mother over the fetus? |
Fat as the fetus can't use it well |
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At which point will decreases in nutrient requirements result in fetal loss? |
Trimester 1 |
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What nutrient deficiency leads to neural tube defects in offspring? |
Folate |
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What nutrient deficiency leads to cretinism in offspring? |
Iodine |
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What nutrient deficiency leads to impaired immune function in offspring |
Cu and Se |
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Name 3 late-gestation malnutritions |
1) Pregnancy toxemia (ewes and does) 2) Protein-energy malnutrition in cows 3) Hypocalcemia in dairy cows |
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Name 3 common inappropriate feeding programs in gestation |
Fescue diets (mares) Lack of Colostrum Excess/inadequate protein/energy diets |
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How does breeding affect appetite for males and females? |
Generally increases appetite; decreases for 3-4 days during estrus |
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How is a cats appetite affected during gestation? |
decreases during weeks 1 to 3 |
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How does late gestation affect all animals appetites? |
Intake will decrease due to lack of space in abdomen (even though requirements are increased) |
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If an animal goes off feed during gestation, what might this be a sign of? |
impending partrition |
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Post partum, how is appetite affected? |
increased until peak lactation |
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What is transition/lead feeding in mares and cows? |
add grain to late gestation diet to prepare for a high grain diet post calving/foaling |
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Name the main differences between colostrum and normal milk: |
Nutrient density (increased protein, fat, vitamins, minerals, less water) Ig's (IgG, IgA, IgM) (puppies and kittens get some transplacentally) Lactoferrin and Lymphocytes (?) |
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In body weight %, how much colostrum does a neonate need in the first 24 hours? |
10% BW |
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What are some methods of testing quality of colostrum? |
Colostrometer Testing babies IgG levels in serum or plasma (example SNAP test) |
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What nutrients can cause decreased colostrum quality in mares? |
endophyte and fescue |
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What is the preferred assisted feeding method of colostrum in calves? |
Esophageal tube feeding (caution of aspiration into lungs) |
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What is the preferred assisted feeding method of colostrum in puppies and kittens? |
Eye dropper |
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What are the positives and negatives of colostrum storage? |
Positive: can be stored frozen for months-years Negative: risk of protein damage with excessive heat when thawing: using easily thawed containers such as flat plastic bags |
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What are some of the goals of feeding between day 1 and day 7 of a neonate? |
Acquire food frequently Rest Develop a functional GI system (enzymes and supporting metabolism) Avoid neonate pathogens |
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What are some of the goals of feeding between day 7 and beyond of a neonate? |
increased milk consumption explore new feeds mimic mother +growth, +activity |
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How many times should a PUPPY suckle per day? When can solid food be introduced into the diet? When should they be weaned? |
4-6 x per day 3-4 weeks 8-10 weeks |
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How many times should a FOAL suckle per day?When can they start exploring the mares diet? When should they be weaned? |
3-7 times / HOUR! (1-2 min at a time) explores mare diet at several days of age 4-7 months of age |
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What type of diet will enhance rumen development most in calves and kids? |
Grain diet (counter intuitive) |
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When should dairy calves and kids be weaned off whole milk/milk supplements? When should beef calves and lambs be weaned off mothers milk? |
Dairy calves and kids : 6-12 weeks Lambs: 2-4 months Beef calves: 6-8 months |
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Which species has milk that is highest in total solids? Lowest in total solids? Which species has greatest fat/protein % dry matter? Lowest? Which species has greatest lactose/sugar % dry matter? Lowest |
Highest total solids= Queen Lowest = Mare Highest fat/protein % dry matter = queen Lowest = Mare Highest Sugar/lactose % dry matter = Mare Lowest = queen |
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For sick neonates, what is the minimum amount of milk/milk replacer (in body weight %) needed to keep them alive? |
10% |
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What are the suspected symptoms of a lactose intolerant neonate? |
enhanced diarrhea |
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How might milk glycans help in neonate health? |
enhance gut microbe health competes with pathogens for binding sites |
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What are the consequences of caloric restriction in growing animals? |
Extending lifespan through highly conserved stress response (our bodies are not adapted for an overabundance of food) |
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What is the common themes of DOD? What species are most often affected? |
Abnormal endochondral ossification (Physitis, Osteochondrosis, Osteochondritis dissecans (OCD), Hip dysplasia) Dogs and Horses |
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What diet type is often associated with DOD formation? What stage of life must the animal be in? What other factors are associated with DOD? |
High energy (not high protein) in a rapidly growing animal; Excess Ca and Vitamin D in great danes; Cu and Zn deficiencies in foals/gestating dams Insulin resistance (excess insulin), and IGF-1; Genetics |
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What is the minimum amount of water needed to support life (in body weight % and mL/kg) |
5%, 50 ml/kg |
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How would you describe an adequate large breed puppy diet compared to that of a small breed? |
Usually a specialty diet: less energy and Ca |
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What is the risk of acidic diets in growing baby kittens? What is the risk of chronically over acidic diets in adult cats? |
Risk of demineralizing bone! (dont feed a UTD diet to kittens!) Hypokalemia: ventroflexion of the neck, stiff gait, exercise reluctance; also caused by anorexia, diuresis, diabetes, insulin therapy, vomiting, diarrhea |
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What are basic guidelines for forage and concentrates of foals? |
Forage: between 1 and 2% body weight --> 1-1.5% at long yearling Concentrate: between 1-2% body weight --> 0.5-1% at long yearling |
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What is "stockering" of feedlot animals? |
Feeding moderate growth (wheat) after weaning (instead of high growth concentrate diet), then finish on high grain diet to gradually increase weight gain of feedlot animal |
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What is the approximate % of mature wt that cattle should be at time of breeding? |
50-55% (67%?) Should reach puberty 1-2 cycles prior to breeding date Complication: dystocia |
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Of growing large breed dogs, kittens, replacement heifers, race horses, and feedlot steers, which have the lowest dietary energy to BW ratio? Highest? in the middle? |
Lowest: large breed dogs, kittens Middle: race horses, replacement heifers Highest: feedlot steers |
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What type of muscle fiber is best for sprinters? for endurance? Which relies most on glycogenolysis? |
Type 2; type 1 Type 2 |
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Which nutrient energy source is best for endurance? for sprinting? Where is the exception? |
Fat for endurance CHO for sprinting Exception: Sprint horses can't be fed excess grains due to GI upset |
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How long does it take to train muscle for a specific use (sprint vs endurance)? |
6 weeks |
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What is the relevance between protein and activity level? |
Any increased need for protein is easily compensated by increased intake (dont supplement) |
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What vitamins are of importance for athlete/production animals |
Horses; A, E, Thiamine, Folacin Dogs:E, C General: Bs for energy metabolism; A, E, C for antioxidants |
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How does the DER of a racing grey hound compare to a maintenance animal? How about a sled dog? |
DER of grey hound and maintenance animal are comparible DER of sled dog is 5-11 RER (compared to 1.5-2 RER for maintenance) |
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Describe exertional myopathy in draft horses (or capture myopathy in zoo animals) |
Happens when diet is high energy every day, but not worked every day. After having a period of rest, when beginning work, muscles have a massive release of glycogen causing lactic acidosis (carb-loaded) Causes muscles to tie up Selenium and Vitamin E deficiencies are also factors that cause tying up |
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What are the dietary guidelines (forage, grain, fat) for equine athletes? |
Forage: 1-1.5% BW Grain: 0.5-2% BW (based on activity) Fat: up to 10% fat for 6-10 weeks prior to event to allow for fat adaptation (based on activity) |
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What dietary nutrient drives milk production in lactating cows? Why must fat be limited in lactating cows? What is the max % fat in diet? |
glucose (add grain) Because fat impairs microbe population Max 6% fat in diet |
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What is needed when grain is supplemented in a lactating cow's diet? |
Na bicarb (buffer acid production in rumen) Enough energy to minimize BCS loss to 1/5 |
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What are dietary options for lactating cows (low milk, medium milk, high milk) ? |
Grass only: seasonal breeders (low milk) Harvested forage + extra nutrients (more milk) Forage and grain + fat additives or TMR (high milk) |
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Among maintenance, growth, and athletic diets, which has the narrowest range that could lead to issues? |
Athlete diets |
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Obesity in feedlot cattle can be somewhat beneficial and is referred to as what on the muscle? Between Hypertrophy and hyperplasia, how is it achieved? |
Marbling Hyperplasia |
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Are most animals better adapted to food scarcity or food abundance? |
Food scarcity. |
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Do isocaloric diets always cause the same amount of net calories gain after metabolism (regardless of their primary energy source) ? |
Not necessarily. Some studies show low car high fat diets cause a greater RER than high carb low fat diets of the same calorie content. |
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What substance secreted by adipocytes is correlated with(but doesn't cause) obesity? |
Leptin |
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What are some of the secreted substances that make adipocytes similar to an endocrine organ? |
Cytokines: TNF, IL-6 Adipokines: Leptin, Adpionectin, Resistin |
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How does TNF and IL-6 cause additional problems in obesity? |
Causes excessive inflammation |
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How can gut microflora contribute to obesity? |
Some microbiota have increased capacity to harvest energy from the diet than others, causing increased total body fat. |
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For obese patients, what is a healthy rate of weight loss (in body weight %) per week? |
1-2% per week |
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NEFA = Non-esterified fatty acids = During negative energy balance, Triglycerides cleave into: |
=Free fatty acids : Glycerol and Free fatty acids |
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Brain can work on what two energy sources? |
glucose and ketone bodies |
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Most animals in negative energy balance will have what substance increase in their blood? What animal produces alot of these? |
Ketones Ruminants produce alot |
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Acetoacetate, B-OH butyrate, and Acetone are examples of... |
Ketones |
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What animals are best at exporting produced lipoproteins from the liver? What animals are poor at this and will instead store lipoproteins in the liver? |
Horses and dogs export Cats and Cows store |
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During negative energy balance in equines, what substance is in high concentration in the blood? What is this high concentration called? |
Low Density Lipoproteins (LDL) Hyperlipemia |
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Hepatic lipidosis occurs when: This occurs in which species? |
The animal has a negative energy balance and the liver is unable to export accumulated fat from the liver
Obese Cats and Cows |
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What controls NEFA release from cells?
What does not control NEFA release? |
Negative energy balance physiology Cortisol and Epinephrin High amounts of Fat
Liver has NO control |
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Because the liver is often saturated with energy from NEFAs during negative energy balance, what is the appetite of the animal in most cases? |
Anorexic |
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What is Feline Idiopathic Lipidosis? |
Fat cat that undergoes a stressful event: leads to weight loss. Results in accumulation of triglyceride in liver: hepatic lipidosis and liver failure |
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What are clinical signs of hepatic lipidosis in cats? (6 signs) |
Obese animal (may be thinner on presentation Anorexia Jaundice (due to retention of bilirubin) Elevated liver enzymes Hypoabuminemia Muscle wasting |
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What is the most essential step to hepatic lipidosis treatment? |
Assisted feeding: usually through NG tube or PEG tube Should feed high quality protein, high energy (fat) diet. |
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What are clinical signs of bovine hepatic lipidosis? (4 signs) |
Dairy cow with BCS > 4 Weight loss Anorexia/depression Any poor response to therapy for mastitis, metritis, etc |
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What is the treatment options for bovine hepatic lipidosis? |
Force feed (via orogastric drench) Ca Propionate, alfalfa, electrolytes, and fluids IV dextrose (for energy) B vitamins Insulin (help move glucose into cells) |
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What is the general prognosis of bovine hepatic lipidosis? What is the general prognosis of Equine hyperlipidemia |
Poor x 2 |
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What stage in female equine gestation might hyperlipidemia be observed? Are any treatments necessary? if so, what? |
late pregnancy and early lactation (negative energy balance) Yes! IV fluids + heparin (activates lipoprotein lipase) IV dextrose Insulin |
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What is Bovine spontaneous ketosis? |
High producing cow at peak lactation that could produces a range of symptoms: -Common Ketosis: off feed, firm feces, decreased milk -Nervous ketosis: salivaiton, wandering, blind, hyperaesthetic, circling (may look like rabies) |
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How can ketone levels be tested? |
Smell (some noses are sensitive to it) Urine, Serum, Milk ketone tests |
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What is the treatment plan for Bovine Spontaneous Ketosis? |
IV dextrose (500mL) Propylene glycol orally (4-8 oz) (acts as a glucose precursor and is somewhat rumen inert) +/- glucocorticoids (provides temporary glucose from the muscles) |
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What is a common secondary disease that can occur with any early lactating cow that forms disease? How do you resolve this issue? |
Secondary ketosis Can treat Ketosis with dextrose and propylene glycol, but MUST treat primary cause |
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What is pregnancy toxemia? What species does it often affect? What factor predisposes it? |
Late gestation pregnant ewe (sheep) with anorexia (no room for food), neurologic signs (not enough nutrients), constipation (dehydrated). |
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How urgent is pregnancy toxemia once noticed? |
Progresses rapidly: is fatal in 12-24 hours |
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How do you test for pregnancy toxemia? |
Signalment/clinical signs Hypoglycemia Ketonuria, Ketonemia (signs of negative energy balance) Renal failure |
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How do you treat pregnancy toxemia? |
Remove lamb (via C section/induction) IV Dextrose (100-200 mL) Proplyene glycol (1-2 oz) IV fluids Oral Calcium |
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What is the prognosis of pregnancy toxemia? What is the best preventative for this disease? |
Poor to guarded Feed grains in late gestation |
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What disease can present with a late gestation bitch (or queen) in poor BCS and on a low CHO diet (ex. all meat)? What can this be mistaken for? |
Periparturient hypoglycemia |
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What are clinical signs of periparturient hypoglycemia? What are treatment recommendation? |
Clinical signs: Depression, low glucose, high ketones Treatment: IV Dextrose bolus followed by 5% infusion Food with CHO |
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What is better for weight loss: fat reduced or fiber enhanced? |
Fiber enhanced |
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Common GI disease managements |
NPO, small frequent meals |
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MCT= |
Medium chain triglycerides: common fat supplement containing : absorbed directly ec. coconut oil energy source not stored as body fat |
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Referencing inflammation: Omega 3 = Omega 6 = |
Omega 3 =anti-inflammatory
Omega 6 = pro inflammatory |
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DHA and EPA are examples of... |
Omega 3 fatty acids |
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Sources of Omega 6's |
Corn and soy oil |
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What EFA is required in cat diets? Why? |
Arachidonic acid: cant be synthesized in body |
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Sources of Omega 3's |
Flaxseed, canola oils, marine plants |
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What EFAs are common in pet diets? What EFAs could be supplemented? |
O6; O3 should be supplemented |
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Name 2 benefits of fiber in monogastric diets |
Converts fiber to butyrate which can feed colonic mucosa (less colon cancer?) Soluble fiber: Blunt glucose absorption |
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Grain overload causes ______ in ruminants. Describe how... |
Lactic acidosis (and laminitis) grain rapidly increases VFA production. Drops rumen pH: <5 = bad; can cause LPS and endotoxin release and dehydration/shock |
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What are clinical signs of acidosis? |
Off feed, enlarged rumen (slosh on ballotment), +/- diarrhea, Rumen pH <5, Down, Dead |
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What are treatments of lactic acidosis? |
IV fluids + bicarb Rumen lavage Antacids (orally: MgO) Parenteral antibiotics Give hay, no grain: Immediate harvest |
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What is the common cause of low milk fat syndrome? How do you treat low milk fat syndrome? |
Adding grain to increase milk production: milk causes depression in milk fat and causes protein:fat ratio inversion. Fix by adding hay to diet and removing some grain (look for more cows that chew their cud) |
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What is the biohydrogenation theory? |
In presence of grain, rumen microbes produce fatty acids that inhibit FA synthesis in mammary glands |
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What is the cause of laminitis in cows and horses? What is the pathogenesis? |
grain overload (can be without grain in diet for horses: fructans in pasture?) Path: bacterial toxins causing vascular bed damage at hoof; Insulin resistance causing low intracellular glucose; MMP activation |
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Clinical signs of acute laminitis |
Increased digital pulse Unwillingness to move |
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Clinical signs of chronic laminitis |
Hardship grooves in dorsal wall Ventral rotation of tip of P3 |
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What are common causes of ulcers? What species are often affected? What is the Pathogenesis? What is treatment? |
Finely ground grain feed or Stress Horses and Pigs Mucosal Injury (helicobacter) More hay, less grain |
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How can excess fat negatively affect ruminants? What is the max % (of DMI) of fat that ruminants should have? What about for horses? |
Fat acts as bacteriostatic (soap like) Limit to 6% Horses can adapt to 12-15% |
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What does BUN stand for? It is a byproduct of what? Increased concentrations are indicative of what 4 things? |
Blood urea nitrogen by product of protein metabolism Increased concentration are indicative of : -High protein diet -Kidney damage -dehydration -Urinary blockage |
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Azotemia is... What is the cause How is it tested? |
Aka uremia + other N compounds Caused by kidney disease or failure: retention of waste product Tested with serum BUN levels |
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Ad lib of what substances increases glomerular blood flow? What are the consequences if kidney is diseased? |
Protein, P, and NaCl Increases protein loss in urine Increases retention of waste products like BUN |
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K/D diet is designed to reduce what in the blood? |
Reduce urea in blood (kidney diet with restricted high quality proteins) |
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When it comes to dietary protein, is excess safe? If not, when would you recommend restricting it? What type of protein is recommended? |
Maybe? Inconclusive: Excess not safe for renal disease patients May not be safe for older animals? Recommend feeding high quality proteins to minimize N excretion |
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Outside of proteins, what dietary recommendations can be made for renal disease? |
Minimize Omega 6's, Supplament Omega 3s |
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What antibody contributes to mediated reactions to nutrients or additives in food? What is the most common nutrient that this occurs with? |
IgE Proteins |
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Where must the allergen contact for protein hypersensitivity to occur? How can defensive measures break down to make this more likely? |
Immune system (via skin, inhalation, GI tract) Maldigestive disorders (Pancreatitis), IBD, T-suppressor dysfunctions (GALT) |
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How are proteins modified to reduce hypersensitivity in specialized diets? |
Partially hydrolyzed (digested) to reduce molecular weight: non antigenic |
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How does food allergy differ from food intolerance? |
Food allergy = true allergies: produce skin problems/itching and other characteristic symptoms Food intolerance = diarrhea/vomiting |
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How is ammonia produced in the body? What organ detoxifies it? What is it converted to by the liver? |
Protein breakdown product or urease conversion from urea (rumen) Liver Urea |
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How can dietary urea be beneficial? What types of feeds can it be added to? What is the risk? |
Urea can be converted to amonia by urease in rumen; Amonia is a reactant for microbial protein production: Acts as a cheap source of proteins when fed with high C: corn silage, corn grain, corn stalks, molasses Risks: Excess urea can produce excess ammonia at higher concentrations than liver can adapt to |
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What is amuckness and how is it caused? |
Too much urea in diet Caused accidently (urea looks like salt) causes liver to lose its adaptable ability |
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What are clinical signs of urea toxicosis? |
Salivaiton, urination, diarrhea, SUDGE, Ataxia, Incoordination, tetany Rapid onset, leads to death quickly |
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How do you diagnose urea toxicosis? How do you treat? |
Rumen pH > 7.5 Blood ammonia > 0.8 mg/dL smell of amonia Treatment: acidify the rumen with vinegar (ion trapping) Rumen evacuation: tube or surgery |
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How does ammonia toxicity occur in non-ruminants? How is it treated? |
Liver dysfunction (hepatic encephalopathy), liver shunt Treatment: restrict protein in diet (high quality digestible protein) Sterilize the colon (stops urease production) with betadine enema Ion trap ammonia in colon usuing Lactulose |
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Of somatic and visceral protein pools, which does the body use first when under stress? |
Visceral (somatic if it continues causing muscle wasting) |
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What are four causes of protein-energy malnutrition? |
Inadequate protein in feed (poor quality) Inadequate intake Undigestable/unabsorbable protein Renal disease/diarrhea |
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What is Johnes disease? |
Diarrhea causing protein energy malnutrition and muscle wasting Occurs in ruminant small intestines with mycobacterium |
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What is kwashiorkor disease? What animal is commonly affected? |
Protein deficiency in face of adequate energy: Dependent edema in gut, muscle atrophy/weakness Not common in animals; colitis cases? |
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What is Marasmus? What animal is commonly affected? What is treatment? |
Underfed late gestation female Cattle Possibly remove fetus?: animal will eat excessively but eventually muscle wasting and nerve damage prevents walking. |
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What is cancer/cardiac cachexia? What are symptoms? What are treatments? |
Loss in lean body mass in patients with cancer or chronic heart disease Decreased appetites Feeding more calories is unaffective: complicated pathophysiology |
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What is re-feeding syndrome? How is it caused? What are clinical symptoms? How can it be prevented? |
Metabolic disturbance that results from rapid feeding of a previously starved individual Symptoms: hypophosphatemia, electrolyte imbalance, cardiac failure, edema, death Prevented by limiting CHO slowly when re-introducing food |
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What is tryptophan? What is its traditional effect? Are animals responsive? |
AA: precursor to seratonin Acts as a mild sedative/aggression reducer Animal do seem to respond |
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What are conditionally essential nutrients? What are examples? |
Nutrients that traditionally are not required for the normal maintenance animal, but may be needed under certain condtions (disease, stress, trauma) Arginine and Glutamine (illness or injury) |
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Milk fever is what nutrient deficiency? What species does it occur in? |
Hypocalcemia Dairy cows and does |
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What is hypocalcemia often referred to as in mares? What about for the bitch or queen? |
Transport tetany Eclampsia (seizures) |
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What causes the onset of milk fever? What hormone is commonly associated with this process? |
Animal in parturition: Ca intake does not meet the requirement of the fetus and colostrum. Animal can't mobilize Ca stores fast enough and blood calcium drops as a result PTH: frees Ca from stores |
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How can you reduce the likelihood of milk fever through diet? |
Maintain intake in late gestation and early lactation (do not give excess Ca) Provide low K or Anionic (acidic) diets in dry periods |
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How is milk fever often accidentally caused? |
Owners give high Ca prepartum but it ends up down-regulating mobilization Also, high intake of cations (K+) makes cow alkalotic systemically, causing decreased response in PTH receptors |
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Symptoms of milk fever |
Early: milk excitement, tetany, hyperthermia Mid: depression, flaccid paralysis, recumbency, tachycardia, hypothermia Late: coma and death |
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Treatment for milk fever |
IV Calcium 500mL Ca borogluconate Oral Ca (if standing) |
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How does hypocalcemia in dogs, horses, and cows vary? |
Cows = flaccid Dogs/horses = tetanic (ridged) |
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When does eclampsia occur most often in a bitch? Which breeds of dogs are most prone? |
Peak lactation (3-4 weeks) High litter dogs, toy breeds, and young (<4) mothers |
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How do you treat Eclampsia? |
IV Ca gluconate (1-2 mg / kg BW) Remove puppies for 24 hours Wean pups if eclampsia recurs |
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When does eclampsia occur in queens? How does it present? What are 2 common causes? How do you treat? |
Last 3 weeks of pregnancy Depression, hypothermia, flaccidity Poor diet or excessive Ca supplementation IV Ca and IV dextrose Oral Ca supplementation (?) |
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A chronic low blood Ca is referred to as: Which animals are prone? What is a common cause? |
Nutritional secondary hyperparathyroidism Young growing animals and reptiles Meat/organ tissue diets (high P, low Ca) |
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Alpacas in Oregon look like they suffer from nutritional hyperparathyroidism: what else must be considered? |
Low Ca Low Vit D*** |
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What are clinical symptoms of nutritional secondary hyperparathyroidism? How do you treat? |
Hyperphosphatemia Weak bones (prone to fractures) Lameness, paralysis in small animals Treat by adjusting diet : more Ca, less P (Dusting crickets with lime in reptile diets) |
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Lame exotic animals should always be considered for what disease? |
nutritional secondary hyperparathyroidism |
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Grass and winter tetany in ruminants is often associated with what nutrient deficiency? What is the common cause? |
Hypomagnesemia Lactating cow on lush spring grass (high dietary K decreases Mg absorption) |
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What are clinical symptoms of grass tetany? How do you treat? How do you prevent? |
Beligerance, ataxia, salivation, muscle tremors, bruxism, seizures, recumbency Serum Mg < 1.4 mg/dL IV, oral, or enema based Mg Prevent with high Mg mineral free choice |
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An adult cat is presented to you with ventroflexion of the neck, stiff gait, and exercise reluctance. You are informed that they have been on a Urinary diet for 3 years. What is your diagnosis and treatment? |
Hypokalemia Treat with IV or oral K |
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Urolithiasis is what? |
Mineralized stones in the urinary tract |
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What are 3 requirements for urolith formation? |
Super saturated solution Favorable pH (alkaline=struvite; acidic = ammonium urate, Ca oxalate) Nidus (debris): more likely with inadequate vitamin A |
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Name which pH environment the following crystals form in: Ca oxalate Struvite Ammonium urate |
Acidic: Ammonium urate and Ca oxalate Alkaline: Struvite |
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Name symptoms of urolith formation. How do you definitively diagnose the type? |
Aberrant urination (blood) No urination Palpation on bladder Radiography or ultrasound DDx: Urinalysis: pH and crystals |
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What crystal formation can not be dissolved with urinary diets? How can it be decreased (without altering diet type)? |
Ca oxalate Increase water intake (salt in diet, canned food, etc) |
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What animal does not form Struvite crystals? What are the only 2 animals to produce Ca oxalate crystals? |
Struvites don't form in horses Ca oxalates only form in dogs and cats |
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For supplementation choice, it is recommended to use the ACCLAIM system. What does ACCLAIM stand for? |
A= a recognized name C= Clinical experience C= Contents L= Label claim A= Administration recommendation I= Identification of lot (lot #s) M= Manufacturer information |
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Are supplaments ever provided to prevent a deficiency? |
No |
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What minerals are deficient in Virginia? |
Selenium, Copper, Zinc, Cobalt, Iron |
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Individuals with White Muscle Disease are deficient in... What other conditions does this deficiency cause? |
Selenium Retained placenta, stillbirths, neonatal weakness, diarrhea |
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What animal is most prone to selenium deficiencies? |
Young and growing cattle |
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An animal that is low in antioxidants and T3 may have a ______ deficiency |
Selenium (identified in glutathione peroxidase and iodothyronine deiodinase |
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Horses with degenerative myeloencephalopathy and myodegeneration may be deficient in |
Selenium |
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What is the minimum blood Se levels that should in an animal? How can deficiency be prevented in areas of low Se? |
50 ppb Oral supplaments |
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What mineral is regulated by the FDA? Why? |
Selenium: because it was reported in one case study as a carcinogen in rats Limited supplementation to 0.3 ppm in complete diet |
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Alkali disease is caused by: How does it present? |
Se toxicosis: Ingestion of Se accumulating plants Cracked hooves, loss of hair on tail |
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What three elements in high concentraitons reduce Cu absorption? In what species does Cu deficiency occur most frequently |
Molybdenum (Mo), Sulfur (S), Iron (Fe) Ruminants |
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Name some clinical signs of Cu deficiency What is the best means of diagnosis? |
Achromotrichia (lack of color in hair) Lameness/OCD Enzootic ataxia Diagnosis: liver biopsy |
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How does Cu toxicity occur? What animals are predisposed? What are some signs? What is pathognomonic about Cu toxicity? |
Stress associated Cu release from liver Sheep, Bedlington terriers, Domermans with liver dz, humans with wilson dz Anorexia, weakness, Hemoglobinuria, hemoglobinemia, icterus, anemia, hemolytic crisis Gun metal blue kidneys |
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Why is stalling a growing foal and a sheep together a bad idea? |
If sheep eats foal feed, it will suffer from Cu toxicity |
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What clinical signs are exhibited with Zn deficiency? |
Skin and feet issues: -Ruminants and pigs: reduced growth, intake, parakeratosis/hyperkeratosis, reduced immunity and bad feet -Equine: Developmental orthopedic disease (DOD), Bad skin, immunity and feet -Canines: Skin lesions, keratitis, conjunctivitis |
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Where are iodine deficiencies most common? What clinical signs are exhibited? What is the best treatment/prevention? |
Great lakes Signs: goiter, weak/hairless newborns, reproductive issues Treat/prevent with iodized salt |
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What species is most sensitive to cobalt deficiencies? Deficiency causes reduced levels of what? What animals require it in the diet? |
Sheep (more than ruminants) Reduced levels of B12 Monogastrics require it in diet (deficient for vegan diets) |
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How can the body sequester Fe from bacteria? What species is most at risk for Fe deficiency? How is this prevented? What are signs of Fe deficiency? |
Lactoferrins Baby pigs (can't get from dirt, undergo rapid growth) Routinely given Fe injections for neonates Anemia, Dyspnea/thumps |
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Name two pro-vitamins of Vitamin A |
Beta carotene (plants) Retinol (animals) |
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Name two pro-vitamins of Vitamin D |
Ergosterol (plant) 7-dehydrocholesterol |
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Name 3 pro-vitamins of Vitamin K |
Menandione (synthetic) Phylloquinone (plant) Menaquinone (bacteria) |
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Where is Vitamin A most abundant? Where might it be deficient? How does the body adapt for seasonal changes in availability? |
Fresh forages+grains Deficient in stored forages and grains Liver will store Vitamin A when abundant, release when deficient |
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In what conditions can Vitamin D be considered Conditionally essential? |
In cases when outdoor exposure is minimized: Indoor animals or Camelids in Oregon |
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How can Vitamin D toxicity occur? What are the symptoms? |
Mistakes at feed mill/ Rat poisons Causes gastric hemorrhage and calcification of great vessels |
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Tocopherol is an example of: How does supplamenting of this type of nutrient help in the feedlot? |
Vitamin E Vitamin E supplementation improves meat and milk stability, particularly in grain fed animals |
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How are Vitamin E and Se similar? Do they always go hand in hand? |
Both are cellular antioxidants and reduce incidence of conditions like retained placenta, deficiencies can cause myopathy No: one can be adequate while the other is deficient |
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What is warfarin? What is courmarins |
Both are Vitamin K antagonists Warfarin comes from rat poison Coumarin comes from sweet clovers |
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How do you treat Sweet clover toxicity? |
Treat with K1 (not K3: renal toxicant) |
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Star gazing is observed with what condition and what deficiency? |
Polioencephalomalacia (ruminants) Vitamin B deficiency |
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How does thiamine deficiency present itself in cats? Thiamine is usually considered adequate in the diet. How can this happen? |
Ventroflexion of head, dilated pupils Overprocessed, thiamine can be destroyed |