The purpose of this study：Assess PRP whether will stimulate the immune reaction.
The subject：16 four-week-old pigs
The feeding enviroment：16 pigs are divides into two group. Two groups are kept in adjacent pigsties. The experiment group is supplied with the feed containing 0.02% PRP; the other is supplied with the equal amount of the no-PRP feed.
(English) Simultaneous Test