Small Ruminant- Miscellaneous Diseases Flashcards
how can you prevent coccidiosis?
minimize weaning shock
good hygiene
dry, sunny environment
coccidiostats in feed
what is the most serious parasite of small ruminants?
Haemonchus contortus
how can you diagnose heamonchosis?
physical exam
quantitative fecal
necropsy
what do copper oxide wire particles cause in Haemonchus?
cuticle lesions
what is the causative agent of enterotoxemia?
Clostridium perfringens type D
how can you diagnose enterotoxemia on necropsy?
accelerated necrosis of kidneys
submit intestinal contents for toxin screening
what are common toxicities in small ruminants?
grain overload
toxic plants
what is the toxin in rhododenrons that causes toxicity?
grayanotoxins
what can cause mammary neoplasia in small ruminants?
adenocarcinoma
what is the agent of coccidiosis?
eimeria: single cell protozoa
what are subacute clinical signs of coccidiosis?
poor growth
weight loss
what are acute clinical signs of coccidiosis?
diarrha
dehydration
colic
sudden death
what are risk factors for coccidiosis?
stress: weaning
fecal contamination of feed
feeding on ground
dark, wet, unsanitary conditions
what is thick and edematous on necropsy with coccidiosis?
ileum
cecum
proximal colon
how can you treat for coccidiosis?
albon/sulfadimethoxine
corid/amprolium
supportive care
where is haemonchus visible on necropsy?
in abomasum
how can you treat haemonchus?
benzimidazoles
avermectins
levamisole
who is most susceptible to enterotoxemia?
young animals <1 year
how can you prevent enterotoxemia?
CDT vaccine
what do grayanotoxins do?
bind and alter voltage-gated sodium channels
where can squamous cell carcinoma be in goats?
ears
udder
vulva
perineum
