Calf Scours: Causes.Prevention.Treatment

Calf scours is not a single disease entity; it is a clinical syndrome associated with several diseases characterized by diarrhea. Regardless of the cause, absorption of fluids from the intestine is altered, and life threatening electrolyte imbalances occur; that is, the scouring calf loses fluids, rapidly dehydrates, and suffers from electrolyte loss and acidosis. Infectious agents may cause initial damage to the intestine, but actual death from scours usually results from dehydration, acidosis, and loss of electrolytes.


Cow-Calf Corner: Preventing Calf Scours

Cow-Calf Corner is a collection of timely management tips of interest to cow-calf producers in Oklahoma. This week, Glenn Selk explains how to prevent calf scours.

Ten Strategies to Battle Calf Scours

Sick calves are no fun. At the beginning of July, my research group started a study with sixty newborn bull calves from commercial dairy farms. Our objective was to find combinations of milk replacer and starter grain additives that promote calf performance and health in the absence of medicated milk replacer.


Salmonella on Dairy 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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