McGlone John J
Pork Industry Institute, Department of Animal and Food Sciences, Texas Tech University, Lubbock, TX 79409-2141, USA.
J Am Vet Med Assoc. 2006 Nov 1;229(9):1377-80. doi: 10.2460/javma.229.9.1377.
The author estimates that the cost of swine production in the United States would increase by > $1 billion if the Swedish deep-bedded system were adopted as the only system in this country. The question is whether the added cost results in proportionately improved pig welfare.
作者估计,如果在美国仅采用瑞典的厚垫料饲养系统,养猪成本将增加超过10亿美元。问题在于,增加的成本是否能相应地改善猪的福利。