Two experiments were carried out to study the grunting of sows during nursing and the sucking be-haviour of piglets. In experimental I,six Yorkshire sows and th
Effect of hydropuinone(HQ)on rumen urease acivity was studied.Hydroquinone at concentration of 0.01mg·L^-1,1mg·L^-1and 10mg·L^-1inhibited urease
Considering some drawbacks of the mainstream approach to environmental management (EM),the conception and basic idea of Participatory EM(PEM) are put forward.PE