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Feeding a lower protein diet reduces nitrogen content in the intestinal tract but does not influence apparent nitrogen digestibility

Heo, J.M., Kim, J.C., Mullan, B.P., Hansen, C.F., Hampson, D.J. and Pluske, J.R. (2009) Feeding a lower protein diet reduces nitrogen content in the intestinal tract but does not influence apparent nitrogen digestibility. In: Manipulating Pig Production XII. Proceedings of the 12th Australasian Pig Science Association (APSA) Biennial Conference, 22 - 25 November, Werribee, Australia p. 95.

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Abstract

Post-weaning diarrhoea (PWD) reduces production efficiency through increased morbidity and mortality and poorer efficiency of growth (Halas et al., 2007). Dietary proteins that are not digested and absorbed in the small intestine are fermented by the intestinal micro biota to produce a number of potentially toxic epithelial irritants such as ammonia, which are thought to increase the incidence of PWD. Limiting the amount of protein available for microbial fermentation has been proposed as a strategy to reduce the risk of PWD in weaner pigs without using in-feed antibiotics (Halas et al., 2007). In this experiment, we hypothesised that feeding a lower protein diet for a short period of time after weaning would reduce PWD by reducing the amount of protein entering the hindgut from the small intestine, thereby reducing protein fermentation in the colon.

Publication Type: Conference Paper
Murdoch Affiliation: School of Veterinary and Biomedical Sciences
Publisher: Australasian Pig Science Association
Copyright: © 2009 Australasian Pig Science Association (Inc)
URI: http://researchrepository.murdoch.edu.au/id/eprint/28654
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