Calf stress and immune response
For young calves, such as dairy calves on a calf ranch, the stress of ongoing disease (enteric, respiratory or other) and suboptimal dietary energy, protein, fat-soluble vitamins or minerals are likely to be common causes of an impaired response to vaccination.
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Watch for these signs of heat stress in calves
Hot weather can be extremely hard on young calves. According to the Ontario Veal Association, calves have an upper critical temperature of just 79°F. Higher ambient temperatures cause them to expend more energy and require more water. Find out the signs that your calves may be struggling with heat stress.
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Maximizing innate immunity
Innate immunity in the bovine can be helped and hindered by management of stress and nutrition.
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Manage calves for optimal performance
Adequately taking care of your calves and heifers today is important because they will be influencing the milking herd’s performance in 2014.
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Veterinary oversight for dairy farms
Recently, the FDA released several “guidance documents” that have established their current and future policy regarding the use of antimicrobial drugs in food-producing animals.
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Organic compounds eliminate disease-causing pathogens
Natural compounds may offer an alternative to certain antibiotics in the future for treating young animals that are susceptible to bacterial infections, thanks to work by USDA scientists.
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Help vaccines do their job in the summer heat
Choose respiratory protection wisely; avoid overstressing cattle during hot weather.
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Is your colostrum management in a rut?
Don’t let routine practices and traditional concepts compromise your colostrum management.
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BVDV: Learn how a calf develops a persistent infection
A persistent bovine viral diarrhea virus infection in a calf is the result of an in utero infection. This infection can occur in two ways.
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Infectious arthritis in calves
Infectious arthritis is a frequent complication of septicemia in calves. Joints are painful and swollen, and affected animals are often quite unthrifty. Therapy is often unrewarding.
“The single most important control measure is to ensure the timely intake of 3 to 4 quarts of colostrum,” says Jan Shearer, DVM, MS, Iowa State University.
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FPT calves more susceptible to disease
If a calf has failure of passive transfer or dystocia, immune function can definitely be compromised.
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