Widely Extend the Technique for Confinement and Semi-confinement Feeding and Push Thoroughgoing Change of the Mode of Animal Production

Widely Extend the Technique for Confinement and Semi-confinement Feeding and Push Thoroughgoing Change of the Mode of Animal Production Animal Husbandry and Feed Science . 2001, (4): 1 -1 . DOI: 10.12160/j.issn.1672-5190.2001.04.001