EU-AGRINETArchived May 23, 2013, at the Wayback Machine. article Fighting swine fever in Europe (Project Coordinator: Dr Trevor Drew at Veterinary Laboratories Agency)
Barnett JL, Hemsworth PH, Cronin GM, Jongman EC, and Hutson GD. 2001. "A review of the welfare issues for sows and piglets in relation to housing", Australian Journal of Agricultural Research 52:1-28. Cited in: Pajor EA. 2002. "Group housing of sows in small pens: advantages, disadvantages and recent research", In: Reynells R (ed.), Proceedings: Symposium on Swine Housing and Well-being (Des Moines, Iowa: U.S. Department of Agriculture Agricultural Research Service, June 5, pp. 37-44). In: An HSUS Report: Welfare Issues with Gestation Crates for Pregnant Sows, Humane Society of the United States. Archived July 3, 2010, at the Wayback Machine.
Barnett JL, Hemsworth PH, Cronin GM, Jongman EC, and Hutson GD. 2001. "A review of the welfare issues for sows and piglets in relation to housing", Australian Journal of Agricultural Research 52:1-28. Cited in: Pajor EA. 2002. "Group housing of sows in small pens: advantages, disadvantages and recent research", In: Reynells R (ed.), Proceedings: Symposium on Swine Housing and Well-being (Des Moines, Iowa: U.S. Department of Agriculture Agricultural Research Service, June 5, pp. 37-44). In: An HSUS Report: Welfare Issues with Gestation Crates for Pregnant Sows, Humane Society of the United States. Archived July 3, 2010, at the Wayback Machine.
EU-AGRINETArchived May 23, 2013, at the Wayback Machine. article Fighting swine fever in Europe (Project Coordinator: Dr Trevor Drew at Veterinary Laboratories Agency)