The Use of Ice to Enrich the Environment of Pigs Housed Indoors

REFERENCES

• Arey, D., & Brooke, P. (2006). Animal welfare aspects of good agricultural practice: Pig production. Retrieved from http://www.ciwf.org.uk/includes/documents/cm_docs/2008/g/gap_book.pdf
   Google Scholar
• Bayne, K. (2005). Potential for unintended consequences of environmental enrichment for laboratory animals and research results. ILAR Journal, 46, 129–139.
   PubMedGoogle Scholar
• Beattie, V. E., & O'Connell, N. E. (2002). Relationship between rooting behavior and foraging in growing pigs. Animal Welfare, 11, 295–303.
   Web of Science ®Google Scholar
• Beattie, V. E., O'Connell, N. E., & Moss, B. W. (2000). Influence of environmental enrichment on the behaviour, performance and meat quality of domestic pigs. Livestock Production Science, 65, 71–79.
   Google Scholar
• Beattie, V. E., Walker, N., & Sneddon, I. A. (1995). Effects of environmental enrichment on behaviour and productivity of growing pigs. Animal Welfare, 4, 207–220.
   Web of Science ®Google Scholar
• Day, J. E. L., Kyriazakis, I., & Lawrence, A. B. (1995). The effect of food deprivation on the expression of foraging and exploratory behaviour in the growing pig. Applied Animal Behaviour Science, 42, 193–206.
   Web of Science ®Google Scholar
• Day, J. E. L., Spoolder, H. A. M., Burfoot, A., Chamberlain, H. L., & Edwards, S. A. (2002). The separate and interactive effects of handling and environmental enrichment on the behaviour and welfare of growing pigs. Applied Animal Behaviour Science, 75, 177–192.
   Web of Science ®Google Scholar
• Docking, C. M., Van de Weerd, H. A., Day, J. E. L., & Edwards, S. A. (2008). The influence of age on the use of potential enrichment objects and synchronization of behaviour in pigs. Applied Animal Behaviour Science, 110, 244–257.
   Web of Science ®Google Scholar
• Forthman, D. L., Elder, S. D., Bakeman, R., Kurkowski, T. W., Noble, C. C., & Winslow, S. W. (1992). Effects of feeding enrichment on behavior of three species of captive bears. Zoo Biology, 11, 187–195.
   Web of Science ®Google Scholar
• Fraser, D., Phillips, P. A., Thompson, B. K., & Tennessen, T. (1991). Effect of straw on the behaviour of growing pigs. Applied Animal Behaviour Science, 30, 307–318.
   Web of Science ®Google Scholar
• Geers, R., Janssens, G., Villé, H., Bleus, E., Gerard, H., Janssens, S., & Jourquin, J. (1995). Effect of human contact on heart rate of pigs. Animal Welfare, 4, 351–359.
   Web of Science ®Google Scholar
• Herskin, M. S., & Jensen, K. H. (2000). Effects of different degrees of social isolation on the behaviour of weaned piglets kept for experimental purposes. Animal Welfare, 9, 237–249.
   Web of Science ®Google Scholar
• Hutton, R. C., & Wood-Gush, D. G. M. (1983). Abnormal behaviour of piglets reared in individual incubators. Applied Animal Behaviour Science, 11, 83–84.
   Google Scholar
• Jolly, E. S., Gaughan, J. B., & King, A. K. (2002). Environmental enrichment for neonatal pigs and its influence on post weaning aggression. Journal of Animal Science, 80(Suppl. 1), 25–26.
   Google Scholar
• Kastelein, R. A., Jennings, N., & Postmal, J. (2007). Feeding enrichment methods for Pacific walrus calves. Zoo Biology, 26, 175–186.
   PubMed Web of Science ®Google Scholar
• Law, G., Boyle, H., & Johnston, J. (1986). Notes on polar bear management at Glasgow Zoo. Ratel, 13(2), 56–58.
   Google Scholar
• McGowan, R. T. S., Robbins, C. T., Alldredge, J. R., & Newberry, R. C. (2009). Contrafreeloading in grizzly bears: Implications for captive foraging enrichment. Zoo Biology, 29, 484–502.
   Web of Science ®Google Scholar
• Newberry, R. C. (1995). Environmental enrichment: Increasing the biological relevance of captive environments. Applied Animal Behaviour Science, 44, 229–243.
   Web of Science ®Google Scholar
• O'Connell, N. E., & Beattie, V. E. (1999). Influence of environmental enrichment on aggressive behaviour and dominance relationships in growing pigs. Animal Welfare, 8, 269–279.
   Web of Science ®Google Scholar
• Poole, T. (1997). Happy animals make good science. Laboratory Animals, 31, 116–124.
   PubMed Web of Science ®Google Scholar
• Rampon, C., Jiang, C. H., Dong, H., Tang, Y. P., Lockhart, D. J., Schultz, P. G., … Hu, Y. (2000). Effects of environmental enrichment on gene expression in the brain. Proceedings of the National Academy of Sciences, 97, 12880–12884.
   PubMed Web of Science ®Google Scholar
• Rodarte, L. F., Ducoing, A., Galindo, F., Romano, M. C., & Valdez, R. A. (2004). The effect of environmental manipulation on behavior, salivary cortisol, and growth of piglets weaned at 14 days of age. Journal of Applied Animal Welfare Science, 7, 171–179.
   PubMedGoogle Scholar
• Scott, K., Taylor, L., Gill, B. P., & Edwards, S. A. (2006). Influence of different types of environmental enrichment on the behaviour of finishing pigs housing in two different systems: 1. Hanging toy versus rootable substrate. Applied Animal Behaviour Science, 99, 222–229.
   Web of Science ®Google Scholar
• Sondergaard, L. V., Dagnaes-Hansen, F., & Herskin, M. S. (2011). Welfare assessment in porcine biomedical research: Suggestion for an operational tool. Research in Veterinary Science, 91, e1–e9.
   Google Scholar
• Stolba, A., & Wood-Gush, D. G. M. (1989). The behaviour of pigs in a semi-natural environment. Animal Production, 48, 419–425.
   Google Scholar
• Studnitz, M., & Jensen, K. H. (2002). Expression of rooting motivation in gilts following different lengths of deprivation. Applied Animal Behaviour Science, 76, 203–213.
   Web of Science ®Google Scholar
• Studnitz, M., Jensen, K. H., Jørgensen, E., & Jensen, K. K. (2003). The effect of nose ringing on explorative behaviour in gilts. Animal Welfare, 12, 109–118.
   Web of Science ®Google Scholar
• Studnitz, M., Jensen, M. B., & Pedersen, L. J. (2007). Why do pigs root and what will they root? A review on the exploratory behaviour of pigs in relationship to environmental enrichment. Applied Animal Behaviour Science, 107, 183–197.
   Web of Science ®Google Scholar
• Swaisgood, R. R., White, A. M., Xiaoping, Z., Hemin, Z., Guiquan, Z., Rongping, W., … Lindburg, D. G. (2001). A quantitative assessment of the efficacy of an environmental enrichment programme for giant pandas. Animal Behaviour, 61, 447–457.
   Web of Science ®Google Scholar
• Swindle, M. M., Makin, A., Herron, A. J., Clubb, F. J., & Frazier, K. S. (2012). Swine as models in biomedical research and toxicology testing. Veterinary Pathology, 49, 344–356.
   PubMed Web of Science ®Google Scholar
• Toth, L. A., Kregel, K., Leon, L., & Musch, T. I. (2011). Environmental enrichment of laboratory rodents: The answer depends on the question. Comparative Medicine, 61, 314–321.
   PubMed Web of Science ®Google Scholar
• Tuyttens, F. A. M. (2005). The importance of straw for pigs and cattle welfare. Applied Animal Behaviour Science, 92, 261–282.
   Web of Science ®Google Scholar
• Van de Weerd, H. A., Docking, C. M., Day, J. E. L., Avery, P. J., & Edwards, S. A. (2003). A systematic approach towards developing environmental enrichment for pigs. Applied Animal Behaviour Science, 84, 101–118.
   Web of Science ®Google Scholar
• Vieuille-Thomas, C., Le Pape, G., & Signoret, J. P. (1995). Stereotypies in pregnant sows: Indications of influence of the housing system on the patterns expressed by the animals. Applied Animal Behaviour Science, 44, 19–27.
   Web of Science ®Google Scholar
• Wood-Gush, D. G. M., & Vestergaard, K. (1989). Exploratory behaviour and the welfare of intensively kept animals. Journal of Agricultural Ethics, 2, 161–169.
   Google Scholar
• Würbel, H., & Garner, J. P. (2007). Refinement of rodent research through environmental enrichment and systematic randomization. Retrieved from http://www.nc3rs.org.uk/news.asp?id=395.
   Google Scholar