Bovine GI Tract 1 Flashcards
In ruminants, where in the GI tract is 80% of the water reabsorbed?
Small Intestine
List three situations in which cows may eat plants/chemicals, that are toxic.
Confined to an area with little food.
Exposed to dumping of potentiall harmful material.
Exposed to excessive lush pasture
How long do coccidia oocyts survive in faeces?
Months in faeces but only a few hours in sunlight
How would you treat coccidiosis?
Usually self liminiting.
Diclazuril orally or sulphonamides
List two of the most important helminth parasites causing diarrhoea in young stock.
Ostertgiasis type 1 and 2
Fasciola hepatica
What is the cattle specific serotype of salmonella?
Dublin
List three conditions that salmonellosis can appear as.
Enteritis
Abortion
Septicaemia
How long is the incubation period of salmonellosis?
1-4 days
What is the peak indicidence of salmonellosis and how long does it take for infections to be resolved?
3-16 weeks
What is the peak indicidence of salmonellosis and how long does it take for infections to be resolved?
3-16 weeks
What other infection does salmonellosis have an association with?
Fasciola hepatica
What lymph nodes can salmonella be found in during an infection?
Ileal/caecolic lymph nodes.
How long will infected cattle carry salmonella typhimurium and dublin?
Typhimurium - carriage for around 4 weeks
Dublin - carriage for years
List four sites of carriage of salmonella.
Caecal contents
Terminal ileum
Ileal/caecocolic lymph nodes
Gall bladder
List four methods of diagnosis of salmonellosis in individual clinical cases.
Faecal bacterial count
Faecal/gut content culture
Tissue culture
Haematology
