1. Albright, J. L. (1995). Flooring in dairy cattle facilities. In Animal behavior and the design of livestock and poultry systems. (Publication No. NRAES-84, pp. 168-182).Ithaca, NY: Northeast Regional Agricultural Engineering Service.
2. Animals and Animal Products, 9 C.F.R., Subchapter A (1985).
3. Baxter, M. J. (1995). There's more to design than behavior. In Animal behavior and the design of livestock and poultry systems. (Publication No. NRAES-84, pp. 73-82).Ithaca, NY: Northeast Regional Agricultural Engineering Service.