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Genetic response to growth rate selection in pigs measured on two feeding levels

McPhee, C.P. and Nguyen, N.H. and Daniels, L.J. (2000) Genetic response to growth rate selection in pigs measured on two feeding levels. In: Animal Production for a Consuming World. AAAP-ASAP Conference, 2-7 July 2000, Sydney, Australia.

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Abstract

From the findings of McPhee et al. (1988), there is an expectation that selection in the growing pig for bodyweight gain measured on restricted feeding will result in favourable responses in the rate and efficiency of growth of lean pork on different levels of feeding. This paper examines this in two lines of Australian Large White pigs which have undergone 3 years of selection for high and for low growth rate over a 6-week period starting at 50 kg liveweight. Over this test period, pigs of both lines are all fed the same total amount of grower food, restricted to an estimated 80% of average ad libitum intake.

'Animal production for a consuming world': proceedings of 9th Congress of the AAAAP Societies and 23rd Biennial Conference of the ASAP and 17th Annual Symposium of the University of Sydney, Dairy Research Foundation, (DRF). Sydney, Australia.

Item Type:Conference or Workshop Item (Paper)
Additional Information:Reproduced with permission Australian Society of Animal Production (ASAP) and author, Dr Cameron McPhee. © AAAP 2000. Asian-Australasian Association of Animal Production and ASAP.
Keywords:Pigs; Selection; Growth; Restricted feeding; GxE.
Subjects:Animal culture > Swine
Animal culture > Feeds and feeding. Animal nutrition
Deposited On:05 Oct 2004
Last Modified:13 Aug 2010 15:09

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