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48 Cards in this Set

  • Front
  • Back
1 kc
4.18 kj
Loss of body water? 10% or 15%
15% - death

10% - Serious illness
Dry food water %?
10%

abt 6-10% water so 90 - 94% dry matter.
Canned food water %?
85%
Kcal of fat, protein and carbs?
fat - 9.4kcal/g
Protein - 4.4kcal/g
Carbs - 4.14kcal/g

estimates - actual depends of the digestive efficacy and composition of the diet.
BER
Basal Energy Requirement - this is the energy needed for a healthy resting animal in the post-absorbtive - unfed state in a thermoneutral environment.
RER
Resting Energy Requirement is the same as the BER except also the energy needed for assimilation of food and the recovery from physical activity.


RER is the same as the REE - Resting Energy Expenditure.

RER (kcal) = 70 X (current body weight in kg)^0.75

OR if the animal is btwn 2kg and 30kg you can use this linear equation.

RER (kcal) = (30 x Current body weight in kg) + 70
MER
Maintenance Energy Requirement is the energy needed by an animal with a moderately active life at home. Usually a multiple of RER.

1.6 - 1.8 X RER for DOGs

and

1.2 - 1.4 X RER for CATs
What is the caloric density of premium quality food?
3.4 - 4.4 kc ME/gm
Advantages of Canned Pet food?
Sterile, fewer preservatives, cooked in can, contains more water.

Some are complete balance rations of a meal and some meat to be a treat.
Disadvantages of Canned Pet Food?
Spoil if left out, low quality can have coloured vege protein that is textured to look like meat, fannot feed free choice, does not prevent plaque, expensive, gormet ones not balanced.
Homemade diets?
Recipe should be computer balanced.
Meat only diets = deficiencies in; Ca, fatty acids, sodium , copper, iodine and vitamins A, D and E.
BARF diets
Risk of bacterial toxin ingestion - E. Coli, Salmonella and Clostridium Peferingens.
Cats with raw diets are much more likely to have Toxoplasmosis.
Additives?
colour, flavour, resistance to spoilage, texture, stability.
Preservatives retard decay and discolouration.
-antioxidants, antimicrobials etc.
What is the Fuction of Antioxidants in foods?
protect fats from oxidative destruction and rancidity.
Vegetable oils, animal fats and fat soluble vitamins (A,D,E & K) are all subject to rancidity.

- offensive colour and flavour, loss of nutritional quality, forms degradation compounds = harm to the animal.
What are some anti-oxidants used?
Tocopherols (forms of Vit E), BHA, BHT, Ethoxyquin - this chemical has been blamed for many problems but the FDA cannot find evidence for this.
Colouring agents?
Carotene, iron oxide, coal, tar derivatives, azo dyes, nonazo dyes.
Colour preservatives?
Nitrites, Bisulphites, and ascorbate.
Chemicals that affect texture of the animal food?
gums, glycerine, glycerides, modified starch - prevent separation of food to provide a gravy or sauce.
What is Phosphoric acid used for?
Palatability enhancer on dry cat food.
What are Digests?
Hydrolysed animal tissues - sprayed or dusted on dry animal food - increase palatability.
Food additives known to cause reactions in humans?
Glutamate, azo dyes, BHA (antioxidant), spices, sodium alginate, guar gum, Benzoates.
What are the nutrients animals will seek out to feed their needs?
Water, energy and in some cases sodium.
Pet food labels?
1.) Pricipal Display Panel; Brand name, product name, statement of intent, the net weight, flags etc., picture or a slogan.
2.) Statutory panel; Ingredient statement, product description, feeding guidelines, nutrient declaration, additives declaration, Manufacturor names and distributor address.

MUST NOT CLAIM TO PREVENT OF CURE DISEASE.

The % of water must be listed if over 14%

EU states that the conc's of protein, oil, fibre, ash are listed AS FED.
How do nutritionist evaluate food?
On a dry matter basis, ie. the water percentage is subtracted from 100 then the dry matter is remaining.
Then the nutrient in question is then divided by the percent of dry matter.
Can only clain to treat when?
is a prescription diet and those are usually only sold by a veterinarian.
ad libitum?
free choice
time restricted feeding?
animal can eat all it wants for a restricted time, like 20 mins.
feeding frequency?
2 x a day for pregnant dogs, lactating dogs, giant breed, pups over 3 mths.

Large ,Deep chested dog - risk for gastric dilation volvus if fed less thn twice a day.

Feeding small breeds of dogs infrequently can predispose them to Hypoglycaemia.

Puppy
3-6 wks = free choice
6 wks to 3 mths = 3x day
5 vital assessments?
temp
pulse
respiratory
pain
nutrition
Nutrition assessment? - Screening evaluation
Screening evaluation should be performed for each pet at each visit.
It includes diet history, body weight, body condition score, muscle condition score, evaluation of the coat, for overweight pets - body mass index.

BCS - evaluates fat but there can be fat gain and mucsle loss during illness - neurohormonal effects and cytokine effects of the metabolism.
Supplementing puppies?
with vitamins and minerals when they are on a high quality diet is not necessary and may be harmful.

Weaning @ 7 - 8 wks

Can introduce canned food at 4 - 6 wks.
Kittens?
Weaning - 7 - 8 wks.

canned food at 4 wks.

Fed good quality kitten food until the age of neutering.
Pregnancy diet - dogs?
last 3 - 4 wks of gestation, whole gestation is abt 9 wks in dogs and cats.

From the 6th week, increase the feed allowance by 10% each week.
Pregangcy diet - CATS?
Foetal growth is very active throughout pregnancy - increased amout at the time of conception.
Queen Diet - Lactation?
2 - 4 x more energy required for maintenance
Bitch Lactation diet?
Average litter size

1st week = 1.5 X maintenance
2nd week = 2 X
3rd week = 3 X

Increased water intake.
Working dogs?
Guide, Agility, Hunting, Rescue, sheep and cattle dogs, sledge dogs, racing dogs, Guard or Patrol dogs,

3 - 4 X maintenance energy - Heavy work

Agility and hunting 2 - 3 X maintenance.

DIET should be atleast 24% of the calories from Protein.
Older dogs?
Dogs older thn 8 yrs need about 1/5th less energy than 1 year old dogs. this is due to decreased musclle mass and decreased activity.
- this is not the same for cats.
Cats & age?
protein digestion decreases - sometimes fat digestion too.
Thin or obese - both increase the risk of mortality.
Over weight versus obese?
Overweight - 10% above
Obeses - 20% excess body fat.

Obeses dogs - Musculoskeletal problems, compromised immune fxn, abnormal glucose tolerance, anaesthetic problems, heat or exercise intolerance.

Obese cats - Dibabetes mellitus, hepatic lipidosis, musculoskeletal problems, early mortality.
Fasting?
Can lead to permenant reduced metabolic rate.
In Cats it can lead to hepatic lipidosis - can be fatal.
Cat digestion?
Obligate carnivores.
DON'T HAVE HEPATIC GLUCOKINASE = less glycogen storage in the liver and higher blood glucose when given a fatty meal. Cats also have limited AMYLASE in pancreas.
Cats fed high protein meal - lower post-prandial blood glucose than cats fed a high glucose meal.

NOT MUCH LASTASE = Diarrhoea when given lots of milk.

Kittens need 30% Protein
Adult cats 26%

Meal should be 19% protein.
Cats - What amino acid can't they make?
Taurine - meat. They can only make a little of taurine but need lots of it because their body uses taurine for bile acid conjugation. Deficiency Typical in cats fed dog food.
Associated with infertility, retinal blindness, dialated cardiomyopathy.

CATS NEED Omega-6 fatty acid - linoleic acid AND
ARACHIDONIC ACID.
Deficiencies in Arachidonic acid in cats causes?
Decreased reproductive performance and decreased platelet aggregation.

Not common.
Cats - What vitamin can't they make?
Vit A.

Deficencies can cause - night blindness, problems with bone structure, poor coat condition, lowered fertility, respiratory disease.

VIT D - cannot make it from sunlight.

Vit B - ninacin - get from meat.
Vit A toxicity in CATS?
If fed Liver Based pr Cod liver oil diets.

signs of toxicity - pain & stiffness of neck. lethargy, depression, irritability, poor grooming, lameness, gingivitis, bony exotoses.
Cats - high fish diet?
Large amt of Poly-unsaturated fats
Increases the need for VIT E, this is an antioxidant and prevents the cat's body fat from undergoing rancidity.
Rancidity can cause; anorexia, fever, pain, nodules under the skin.

Some fish contain Thiamine destroying enzymes = give more VIT B.
Thiamin is also destroyed in over cooking and processing. Sulphite preservative used to preserve meat can also degrade thiamin.
Thiamin deficency = ataxia, blindness, ventroflexion.