Calf Diarrhea Flashcards
what is moderate diarrhea like?
decreased suckle reflex
weak, but able to rise
possibly febrile
moderate dehydration, electrolyte imbalances
when are calves susceptible to E. coli?
days 1-3
what is the incubation period of rotavirus?
24 hours
what is the incubation of coronavirus?
2 days
how prevalent is Cryptosporidium parvum?
close to 100% of dairy calves
how should you treat mild diarrhea?
oral fluid/electrolyte supplementation
+/- antibiotics
do not skip or replace more than one milk feeding
what are the four requirements for oral fluid therapy?
sufficient NaCl to normalize ECF volume
provide agents to facilitate absorption of water and sodium from gut
correct metabolic acidosis usually present in diarrheic calves
provide additional energy
what is severe diarrhea like?
absent suckle reflex
recumbent/comatose
hypothermic
severe dehydration/electrolyte derangements
possible multiple organ failure
what is the most important cause of neonatal diarrhea (0-3days)?
enterotoxigenic E. coli (ETEC)
what is the most common antigen of enterotoxigenic E. coli?
K99
what is the most common transmission of salmonella?
fecal-oral
how is coccidiosis diagnosed?
fecal flotation
what are the typical metabolic abnormalities?
metabolic acidosis
hyponatremia
hypochloremia
hypoglycemia
hyperkalemia
