Balancing the requirements of the society, pig, and producer
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[1] D. Fraser,et al. Farm Animals and Their Welfare in 2000 , 2001 .
[2] P. Thompson. Animal Welfare and Livestock Production in a Postindustrial Milieu , 2001 .
[3] Deborah Rudacille,et al. The Scalpel and the Butterfly:The War Between Animal Research and Animal Protection , 2000 .