Indirect Genetic Effects for Growth Rate in Domestic Pigs Alter Aggressive and Manipulative Biting BehaviourReport as inadecuate




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Behavior Genetics

, Volume 45, Issue 1, pp 117–126

First Online: 17 September 2014Received: 05 March 2014Accepted: 04 August 2014DOI: 10.1007-s10519-014-9671-9

Cite this article as: Camerlink, I., Ursinus, W.W., Bijma, P. et al. Behav Genet 2015 45: 117. doi:10.1007-s10519-014-9671-9

Abstract

Indirect genetic effects IGEs are heritable effects of an individual on phenotypic values of others, and may result from social interactions. We determined the behavioural consequences of selection for IGEs for growth IGEg in pigs in a G × E treatment design. Pigs n = 480 were selected for high versus low IGEg with a contrast of 14 g average daily gain and were housed in either barren or straw-enriched pens n = 80. High IGEg pigs showed from 8 to 23 weeks age 40 % less aggressive biting P = 0.006, 27 % less ear biting P = 0.03, and 40 % less biting on enrichment material P = 0.005. High IGEg pigs had a lower tail damage score high 2.0; low 2.2; P = 0.004, and consumed 30 % less jute sacks P = 0.002. Selection on high IGEg reduced biting behaviours additive to the, generally much larger, effects of straw-bedding P < 0.01, with no G × E interactions. These results show opportunities to reduce harmful biting behaviours in pigs.

KeywordsBehaviour Indirect genetic effects Genotype-environment interaction Pig Tail biting Response to selection Edited by Stephen Maxson.

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Author: Irene Camerlink - Winanda W. Ursinus - Piter Bijma - Bas Kemp - J. Elizabeth Bolhuis

Source: https://link.springer.com/







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