35. ruminant drugs Flashcards
— cause yellow diarrhea and low mortality in calves
Cryptosporidium parvum
what are two crypto that infect young cattle
Cryptosporidium parvum
Cryptosporidium hominis
what are two coccidiosis that infect young cattle
Eimeria bovis
Eimeria zuernii
treatment for Crypto parvum
cause yellow scours in young calves
NO drugs- give fluids and anti-inflammatories
zoonotic
can autoinfect by licking up parasites- PPP 2-7 days
how to prevent crypto in calves
clean!
sunlight
rotation
adult cattle with poor production, diarrhea, decreased body condition scores, decreased fertility are infected by —
Ostertagia ostertagia
strongyle egg
life cycle of Ostertagia ostertagi
direct ingestion of L3
will imbed into abomasum- can arrest
arrested L4 ostertagia that wake up during the summer in the north are –
type II- can cause very bad symptoms- a bunch of parasites all waking up at same time
cooperia is a —
rate limiting parasite you kill that then your drug works
found in small intestine of ruminants
where do you find Nematodirus
small intestine of ruminats
Dictyocaulus viviparous is found where
lungs of the ruminant
ways to decrease parasites in cattle
reduce stress- feed cows better, less cows
rotate pasture
drugs- while checking for resistance
treatment for Ostertagia infection in cow
macrocyclic lactones
pour ons or injectables
not resistant to drugs … yet
sheep with pale mucous membrane, weight loss and decreased reproduction and milk
haemonchosis
> 200 eggs treat with drugs
Famacha score
5 bad- treat
haemonchosis
