Thesiss

The trade-off between current and future investment in reproduction lies at the heart of life history theory. The need to differentially allocate resources between these two options arises generally as a result of environmental pressures. Higher risk of mortality in adults is li…

The purpose of this study was to determine the effects of different light regimes on molting in growing turkeys and chickens. Two groups of Beltsville Small White turkeys were reared from 3 to 24 weeks of age under two extremes of artificial light; one group received 10 hours an…