Livestock Issue

Supplementary Issue

Supplementary issue

Special Issue

Livestock biodiversity.

This paper describes the institutional background against which invasiveness is considered with regard to livestock genetic diversity. The human-made nature and extensive spread of a few domesticated animal species for global food production is a feature of agricultural diversity that complicates the simple, negative view of invasive species. The different impacts of livestock species on natura...

Feeding Livestock

CHEMISTS years ago developed methods by which they could analyze feeds and have the constituents sum to TOO percent. Chemists and physiologists concluded therefrom that protein, fats, carbohydrates, and certain mineral elements were the only nutrients animals required. Data from experiments made it clear, however, that the quality of the ration and its ability to promote growth could not be pre...