Neonatal Calf Diarrhea

In the upper Midwest, where my practice is located, winter seems to be the time of year when we have more cases and complaints about calf scours. And, the fatality rate is higher in these cases than in the summer.


Salmonella on Dairy Farms...by Chuck Fossler

A study involving 129 organic and conventional dairies in Minnesota, Wisconsin, Michigan, and New York was conducted to determine patterns of occurrence of Salmonella spp. and to identify risk factors for shedding. Visits to each farm were made at two-month intervals from August 2000 to October 2001. Fecal samples from healthy cows, calves and other targeted cattle groups and samples from bulk tank milk, milk filters, water, feed sources and pen floors were collected at each visit. Microbial culture was performed at a single laboratory. Salmonella spp.

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New York State Cattle Health Assurance Program Salmonellosis Module (Salmonellosis – Background, Management and Control)

Salmonellosis is an infection of the digestive tract caused by the bacterium, Salmonella enterica. Salmonella enterica has over 2,000 strains. Fortunately cattle are usually clinically infected by less than 10 of them. The majority of Salmonella that infect cattle are in groups B (species example - S. Typhimurium), C (example - S. Montevideo), D (example -S. Dublin), or E (example - S. Anatum). The type that most commonly infects cattle in the Northeast is Salmonella Typhimurium.

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