Maternal Productivity in Beef Cattle
Michael Laurence
Broschiertes Buch

Maternal Productivity in Beef Cattle

The impact on the female herd of genetic selection for a divergence in fatness or feed efficiency

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Beef cows, particularly as part of seed stock and cow/calf enterprises, are farmed extensively in temperate environments in southern Australia. The fundamental premise of a productive beef enterprise is a calving interval of 365 days. However, production system efficiency can also be determined by comparing inputs, namely megajoules of energy in the form of food, to outputs, namely the number of kilograms of beef sold each year. This thesis examined two heritable and economically desirable traits and the impact that selection to improve these traits had on beef herd productivity defined in thi...