4Dijkhuizen A A, Morris R S. Animal Health Economics Principles and Applications [ M ]. New Zealand : Post Graduate Foundation in Veterinary Science, 1997 : 187 - 199.
5冯尚连.规模猪场如何提高经济效益.浙江畜牧兽医,2000,(03):20-20.
6Dijkhuizen A A,Morris R S. Animal Health Economics Principles and Applications [M].New Zealand:Post Graduate Foundation in Veterinary Science, 1997 : 187-199.