Evaluation of the effects of weaning diets on Escherichia coli O157 shedding, body weight, and fecal bacterial communities in beef calves.

Cattle are considered to be one of the primary reservoirs of Escherichia coli O157. In this study, the effects of weaning diets on E. coli O157 shedding, body weight, and fecal bacterial communities in beef calves were evaluated.

Recycled poultry bedding as cattle feed.

Since the 1950s, recycled poultry bedding has been used as an economical feedstuff for beef cattle. It has been extensively studied at several experiment stations around the world with regard to its safety and nutritional aspects. It will continue to be closely scrutinized as the public increases its awareness of agricultural issues.

The importance of by-products to the US beef industry.

The use of by-products as nutrient sources for beef cattle will continue to be driven by economics. As landfill prices continue to escalate, more by-product will become economically viable as cattle feed. These considerations will be counter-balanced by safety concerns.