Tests using paired pens of barrows were conducted during a 13 month
period to determine the influence of protein level of the ration on
production traits of market barrows. One member of each pair of six to
ten full- and half-sib pairs was randomly allotted to each pen group;
thus,...
Purebred and crossbred litters of Yorkshire and Berkshire
breeds of swine were evaluated for number of piglets born alive per
litter, number of piglets weaned per litter, mean piglet birth
weight, mean piglet birth weight adjusted for number of piglets
born alive per litter and mean piglet weaning weight. The...