Abstract: The feeding trial of pigs and hens which were fed grape seed meal treated by heating or grape seed meal were carried out. The results obtained as followed, the proportion of grape seed meal to be added into diets of preganant sow varying from 4% to 10%, and the proportion of grape seed meal treated by heating to be added into diets of lactating sow being 7%, the sows would get better reproductive performance . The proportion of grape seed meal treated by heating to be added into the diets of pigs at early fattening stage being 3%, and later fattening stage being 6%, the growingfinishing pigs would get better growth performance. It would obtain better laying performance when 6% grape seed meal were added into the diets of hens. 

Key words: pigs; hens; grape seed; feeding trial; growth performance