The aim of the experiment is to observe the store effect of Lo-ping when it's weight reaches 50kg、75kg、80kg and 90kg, and search it's suitable slaughter weight.with a view to know the carcass quality of Lo-ping in different weight stages, Landraces were chosen to be the contrast, To the two ranges , the same ration (about 3 megacalories of DE, 18 to 19 percent of DCP/Eaeh kg of ration) was given. The experimental result shows when the feeding weight of Loping reaches 50kg, they are not fat enough. Their car...