Trichomoniasis is a bovine venereal disease that can cause substantial reproductive and economic loss in cow-calf operations that use natural service. Many states, including Louisiana, now have regulations on movement of bulls to prevent the spread of trichomoniasis.
Discusses the impacts of clinical and subclinical heat stress in beef and dairy cattle.
Prudent use of pharmaceutical agents in food-producing animals is essential for animal health and welfare, and food safety. This article describes current drug-use regulations so livestock producers can work with their veterinarian to make smart choices.
The Veterinary Feed Directive (VFD) is a new rule by FDA that went into effect January 1, 2017.
Winter feeding costs are a major expense in cow-calf herds. So, selecting a winter feeding program that is cost-efficient is imperative. However, making sure nutrient requirements are met during this time is critical to future profitability. An investment now can pay dividends for years to come.
One of the most difficult feeding challenges faced by dairy farmers is the dropoff in feed intake and milk production during the summer. To minimize these losses, rations must be specially formulated for hot weather.
Johne’s (pronounced “Yo-nees”) Disease is a chronic infection caused by the bacteria Mycobacterium avium subspecies paratuberculosis (MAP).
Images of major poisonous plants are presented to assist livestock owners with plant recognition. Toxic effects are also mentioned.
Cattle in all beef herds are subjected to some of the common diseases. Vaccines are available that can induce some degree of protection against several of the major diseases of cattle.
The LSU AgCenter operates 25 weather stations at research stations and other cooperating locations throughout Louisiana. The Louisiana Agriclimatic Information System privides temperature and humidity data that researchers can correlate to livestock and crop production. Each station provides minute-by-minute measurements of air temperature, rainfall, wind speed, wind direction, relative humidity, solar radiation and soil temperature.
Photosensitization, also known as photodermatitis, occurs when the liver is unable to excrete a metabolite of chlorophyll from forages the animal has eaten. The metabolite accumulates in the skin and is activated by sunlight. The reaction yields free radicals that "burn" the skin.