Is there an absolutely safe level? The answer is probably no. For beef cows, including pregnant cows, a maximum of 100 ppb in the total diet appears to be a practical answer.

Images of major poisonous plants are presented to assist livestock owners with plant recognition. Toxic effects are also mentioned.

Understanding the virus complex is not easy, but because it causes significant disease problems, abortion and shipping fever, it is best we understand what all the letters mean and how to best deal with them.

Anaplasmosis is characterized by anemia, which is caused by the destruction of the red blood cells by Anaplasma marginale, a blood parasite, transmitted to beef and dairy cattle by insects. The Anaplasmosis vaccine is made, produced and available by LSU Veterinary Science retired faculty, and a royalty is paid to the LSU AgCenter. If you have questions about Anaplasmosis or the availability of the vaccine, please call 1-800-308-5242.

This article discusses common diseases in show animals and how to prevent them.

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.

A brief review of the common health problems that can afflict cattle, sheep and pigs. Symptoms and treatments are described, but this is not meant to be a treatment guide. (PDF Format Only)

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.

Some pesticides can potentially harm livestock. There are steps farmers can take in order to counteract toxic effects and minimize the risk of exposure.