Social behavior and group growth of finishing pigs with divergent social breeding values

Background: Behavioral traits of pigs have been shown to be partly under genetic control, which raises the possibility that behavior might be altered by genetic selection, resulting in pigs with better growth performance. Objective: To evaluate the behavior and growth of finishing pigs and investiga...

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Autores principales:	Joon-Ki Hong, Ki-Hyun Kim, Na-Rae Song, Taejeong Choi, Hyun-Su Hwang, Jae-Kang Lee, Tae-Kyung Eom, Shin-Jae Rhim
Formato:	article
Lenguaje:	EN
Publicado:	Universidad de Antioquia 2018
Materias:	agonistic feed intake growth performance mixing social interactions Animal culture SF1-1100
Acceso en línea:	https://doaj.org/article/70fde509c99346c39a41840575689b62
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spelling	oai:doaj.org-article:70fde509c99346c39a41840575689b622021-12-01T19:35:10ZSocial behavior and group growth of finishing pigs with divergent social breeding values2256-295810.17533/udea.rccp.v31n4a03https://doaj.org/article/70fde509c99346c39a41840575689b622018-12-01T00:00:00Zhttps://revistas.udea.edu.co/index.php/rccp/article/view/334522https://doaj.org/toc/2256-2958Background: Behavioral traits of pigs have been shown to be partly under genetic control, which raises the possibility that behavior might be altered by genetic selection, resulting in pigs with better growth performance. Objective: To evaluate the behavior and growth of finishing pigs and investigate pigs selected for high or low social breeding value (SBV) in relation to social behavior and group growth. Methods: Thirty-five females and 35 boars from five positive and five negative SBV groups of finishing pigs were grown from 30 to 90 kg and housed in 10 test pens (3.0 × 3.3 m, 7 pigs/pen). Pigs were recorded with video technology for nine consecutive hours on days 1, 15, and 30 after mixing. Pigs were weighed at approximately 90 kg body weight and the number of days to reach 90 kg was then calculated. Results: The frequency and duration of behaviors were present in the positive and negative SBV groups after mixing. On day 1 after mixing, agonistic behavior was significantly higher (p=0.027) for the –SBV group compared with the +SBV group. Feeding and feeding-together behaviors were significantly higher (p<0.003) in the +SBV group on days 1 and 30 after mixing. Moreover, growth performance to reach 90 kg body weight was significantly faster (p<0.002) in the +SBV group than in the –SBV group. Conclusion: Social interactions, such as feeding-together behavior, among pen mates might affect their growth rate and feed intake. Selection for SBV could be used as an indirect technique for improving growth performance of pigs.Joon-Ki HongKi-Hyun KimNa-Rae SongTaejeong ChoiHyun-Su HwangJae-Kang LeeTae-Kyung EomShin-Jae RhimUniversidad de Antioquiaarticleagonisticfeed intakegrowth performancemixingsocial interactionsAnimal cultureSF1-1100ENRevista Colombiana de Ciencias Pecuarias, Vol 31, Iss 4, Pp 267-275 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	agonistic feed intake growth performance mixing social interactions Animal culture SF1-1100
spellingShingle	agonistic feed intake growth performance mixing social interactions Animal culture SF1-1100 Joon-Ki Hong Ki-Hyun Kim Na-Rae Song Taejeong Choi Hyun-Su Hwang Jae-Kang Lee Tae-Kyung Eom Shin-Jae Rhim Social behavior and group growth of finishing pigs with divergent social breeding values
description	Background: Behavioral traits of pigs have been shown to be partly under genetic control, which raises the possibility that behavior might be altered by genetic selection, resulting in pigs with better growth performance. Objective: To evaluate the behavior and growth of finishing pigs and investigate pigs selected for high or low social breeding value (SBV) in relation to social behavior and group growth. Methods: Thirty-five females and 35 boars from five positive and five negative SBV groups of finishing pigs were grown from 30 to 90 kg and housed in 10 test pens (3.0 × 3.3 m, 7 pigs/pen). Pigs were recorded with video technology for nine consecutive hours on days 1, 15, and 30 after mixing. Pigs were weighed at approximately 90 kg body weight and the number of days to reach 90 kg was then calculated. Results: The frequency and duration of behaviors were present in the positive and negative SBV groups after mixing. On day 1 after mixing, agonistic behavior was significantly higher (p=0.027) for the –SBV group compared with the +SBV group. Feeding and feeding-together behaviors were significantly higher (p<0.003) in the +SBV group on days 1 and 30 after mixing. Moreover, growth performance to reach 90 kg body weight was significantly faster (p<0.002) in the +SBV group than in the –SBV group. Conclusion: Social interactions, such as feeding-together behavior, among pen mates might affect their growth rate and feed intake. Selection for SBV could be used as an indirect technique for improving growth performance of pigs.
format	article
author	Joon-Ki Hong Ki-Hyun Kim Na-Rae Song Taejeong Choi Hyun-Su Hwang Jae-Kang Lee Tae-Kyung Eom Shin-Jae Rhim
author_facet	Joon-Ki Hong Ki-Hyun Kim Na-Rae Song Taejeong Choi Hyun-Su Hwang Jae-Kang Lee Tae-Kyung Eom Shin-Jae Rhim
author_sort	Joon-Ki Hong
title	Social behavior and group growth of finishing pigs with divergent social breeding values
title_short	Social behavior and group growth of finishing pigs with divergent social breeding values
title_full	Social behavior and group growth of finishing pigs with divergent social breeding values
title_fullStr	Social behavior and group growth of finishing pigs with divergent social breeding values
title_full_unstemmed	Social behavior and group growth of finishing pigs with divergent social breeding values
title_sort	social behavior and group growth of finishing pigs with divergent social breeding values
publisher	Universidad de Antioquia
publishDate	2018
url	https://doaj.org/article/70fde509c99346c39a41840575689b62
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_version_	1718404637002825728

Social behavior and group growth of finishing pigs with divergent social breeding values

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