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80 Cards in this Set
- Front
- Back
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What is the name of the swine Round worm?
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Ascaris Suum
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Where is Ascaris Suum located in the host in the adult form?
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Small Intestine
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What is the common age group Ascaris Suum affects?
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2-5 month-old pigs,but infects all ages
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What is the infective stage of A. Suum?
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L2
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WHat is the migration stage of A. Suum?
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L4
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What is the damage done by A. Suum?
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Liver lesions..."milk spots"
Lungs lesions...verminous pneumonia |
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What is the life cycle of A. Suum?
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1.Unembryonated eggs are pass inthe feces
2. go from L1-L2 3. Ingested and eggs hatch 4. larvae burrow through intestine wall 5. Hepatic system 6.migrate through liver 7. enter hepatic vein 8. Heart 9. In the lungs larvea break into the aveoli 10. Bronch, trachea, Coughed up and swallowed, Mature into adult in the intestine |
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What type of worm is Trichuris suis?
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Whip Worm
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What dewormer is T. suis ineffective?
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Ivermectin
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Where can Trichuris suis be seen grossly?
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Cecum and colon
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What is the pathogenesis of Trichuris Suis?
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Profuse bloody diarrhea- 17-21 day post infections. Then adult stages tunneling activity cause inflammation of the gut wall
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Where is Oesophagostomum dentatum found grossly in swine?
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Nodular worm in the large intestine
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what is the life cycle of Oesophagostomum dentatum?
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Eggs are passed in the feces
L1 L2 L3 are ingested Passed via the GI tract to the large intestine The Larvea burrow into intestinal wall and cause nodules Move to the lumen of the large intestine and develop into adults |
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What "disease" does Oesophagostomum dentatum cause?
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Thin sow Syndrome
-decrease little number and weights. |
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What is meant by Hypobiosis?
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Arrested development, period of phsiologic dormancy or pause of the larvea in the GI
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For the Trichstrongyles egg when and during what season does hypobiosis take place?
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Winter: Northern US
Summer: South US is the |
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What clinical syndrome seen in Ostertagis with Type I?
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Normal maturation to adult(egg layig stage) causes clinical signs associated with adult trichostrongyles
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What clinical syndrome seen in Ostertagis with Type II?
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development of arrested larvea to adult. Resulting in:
-Abnormal gland fnction -Increase pH -Parietal cell damage -absorbtion of pepsinogen - protein loss -Clay-colored stool -Cobble stone abomsum -Lots of small nodules North-Spring; fall-South |
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What clinical syndrome seen in Ostertagis with Pre-Type II?
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Invasion into the mucosa via hypobiosis. Invasion is done by L3 and then arrested. Winter-North; Summer-South.
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How do you diagnose Dictyocaulus viviparous?
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By Use of the Baerman test..Lung worm of Ruminants
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What condition does Strongyloides westeri cause in foals?
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Foal heat diarrhea
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How is S. westeri(thread worm) transmited from Mare to foal? and how is it preventable?
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Transmitted via colostrum and early milk. It is preventable by dewormer mare within 12 hours of foaling.
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What is the PPP of round worms in horses?
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60 days
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What is the PPP of strongyles species in horses?
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2 months- 1 year
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What ype of worm is Parascaris equorum in horses?
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Round worm
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What condition is parascaris equorum attributted in foals
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Summer colds, snotty noses with coughing
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What is advised with using Piperzine to treat Parascaris equorm?
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Not to use it kills worms to quickly causing adverse side effects
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How is parascaris equorum transmitted?
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Ingestion of infected eggs
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Small or Large Strongyles are the most common/ biggest problem?
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Small
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Small or Large Strongyles are blood suckers?
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Large
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When great numbers of strongyles emerge what is this , what does it causes and which type s associated?
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This process is called Cyanthostomosis. This causes severe diarrhea and mucosal damage. This is done by Small Strongyles
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What time of yar does Cyanthostomosis occur?
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Spring and peripartrient
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What is the recommended treatment of Small Strogyles?
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Quest; Panacur Power Pack
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What is a generic characteristic of Large Strongyles?
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Migratory Blood suckers
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WHat do small Strongyle feed on?
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Epithelal cells
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What is the PPP of Large Strongyles?
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6-12 months
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What are the 3 major Large Stronyles?
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S. vulgarius, S. Equis, S. Edentatus
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Describe S. Vulgarius "habits"
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Migratory, blod sucker that travl through the abdominal arteries. This causes issues and sometimes colic. It can cause thrombus in the cranial mesenteric
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Describe the "habits" of S. edentatus
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This is migratory worm o the liver and abdomin. This can cause a horse to right flank watch.Sine worm likes to cause nodules on this side. It s also a blood sucker
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Describe the "habits" of S. equinus
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This species like to migrate the liver and the pancreas
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What other parasite is Dipetalonema reconditum confused with?
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The Microfilaria of heart worm
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What parasite is known as the "firey serpent" and why?
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Dracunculus insignis; it is under the skin, head pops out and must e surgically removed. Wrapped around a stick and NOT broken. If it is result s sever inflammation.
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What is the intermediate host for Spirocera lupi?
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Adult beetle
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What pathogenesis is seen in Spirocera lupi?
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-Boney growth of thoracic vertabrae and long bones
-Cancer -nodules in esophagus -HPOA-hypertrophic pulmonary osteoarthropathy of limbs |
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What is the intermediate host of Physaloptera?
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Coackroaches (main), beetles, crickets
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What are the two common species effected by Physaloptera?
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Cats and opposum
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What does Physaloptera cause cats to do?
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Vomiting
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What are the modes of infection of Toxacara canis?
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-transmammary (all puppies are born with it)
-transplacental (eggs wait for pregnancy) -From hunting (mouse) -From environment, feces |
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How old are puppies when they show signs?
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at 3-4 months
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How many eggs does the round worm lay/day?
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200,000
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At what day is toxacara canis activated?
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Day 42
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What are 3 ways Toxicara cati differs from Toxicara canis.
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1)Prenatal infectiondoes not occur, but transmammary does major infection route of kittens
2)tracheal migration remain high even in older cats 3) Transport host play a huge role...mousing |
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What 3 species of round worm are a public health threat?
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Toxicara canis and Toxicaris leonial, Baylisascaris
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What age in the dog do you see T. leonial?
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1-4 age
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In humans, what age and issue occurs with T . leonial?
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Affected 7-8 and causes blindness. Worm will migrate and die bihind the eye.
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What is the issue with Baylisacaris.
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It is from raccoons. It migrates to the brain of humans, kids affected also and cause neurologically signs and can cause death.
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Is Toxicaris leonial migratory?
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No except into the intestinal wall
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What are four ways a dog can get Toxicairs canis?
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1) transmammary
2) Transplacental 3) Eating infected eggs feces or vomitus 4) Ingesting infected transport host |
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Are hook worms zoonotic?
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yes
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What are 3 way a dog can get hookworms?
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1. ingestion of infected larvea
2. colostrum, transmammary 3. transplacentally |
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WHat is the southern specie of hookworm and meal preference
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Ancylostoma and it is a blod sucker.
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For the hookworm Uncinaria where is it located?
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Northern and doesn't suck as much blood as the southern
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What is the life cycle of the hook worm?
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1. Adults pass eggs in feces
2. eggs embryante and hatch 3. L1---L2 4. L3 penetrate skin 5. enters lymph or venules 6. heart-->pulmonary arteries-->lung-->capillaries-->alveoli--> L4 --> Treachea --> esophagus--> small intestine-> L5 |
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What is the specie of of hookworm in the cat, aka plumbers itch?
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Ancylostoma tubaeforme, also southern
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What is the PPP for hookworms?
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18-21 days
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What is the PPP for whipworms?
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90 days
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With Strongyloides sterocoralis which gender is parasitic?
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Only the females
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Is Strongyloides sterocoralis a Public health concern?
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Yes
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Name some pathology of threadworms, Strongyloides sterocoralis.
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intestinal burrow and sloughing exposed to secondary bacterial infection and also issue with inflammation
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WHat do you treat hookworms with?
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Pyrantel
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Why are whip worms hard to dianose?
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1. Low egg production
2. intermitten shedders 3. eggs are diluted in stool |
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Can cats get whips?
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No, mst likely it is a Capillaria or cat are a transport host and whip is passing through.
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WHat does Trichuris vulpis cause in dogs?
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-Large bowel diarrhea
-straining -small amount -bloody snotty stool |
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What will treat whips
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Panacur
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Are Whips zoonotic?
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NO
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What are 2 stages in cat heart worm that cause pathology.
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1. When the immature larvea migrate to lungs...acute inflammation 3-4 month after infections.
2. When the worms begin to die.INflammation and throboembolism. Even one signle worm can kill. |
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Is heart worm zoonotic?
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Yes
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WHat is heart worm usually diagnosed at in a cat?
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Feline asthma
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WHat are signs of cat heartworm?
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-vomiting
-coughing -Sudden death |
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What is walbachia rickettiales?
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Bacteria found witin all heartworms.
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