是敌是友:社会经验和遗传系对后备母猪在社会挑战配对交互试验中反应的影响。

IF 4 2区 农林科学 Q1 AGRICULTURE, DAIRY & ANIMAL SCIENCE
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引用次数: 0

摘要

商业化养猪生产越来越重视母猪群养,这就强调了保存适当后备母猪的重要性,这些后备母猪日后将成为适应群养系统的母猪。本研究旨在评估在标准化的 3 分钟社交挑战配对互动测试中,社会混合经验和遗传系对后备母猪社交和探索反应的短期影响。该研究包括来自两个不同基因品系(瑞典约克夏和荷兰约克夏)26窝的96头后备母猪。之所以选择这两个品系,是因为它们的母系分别是在群居和单群饲养系统中选育出来的。对后备母猪进行了不同的早期(有机会与邻近产仔栏中的仔猪混合与没有机会混合)和晚期(断奶时与陌生仔猪混合与断奶后与熟悉的同窝仔猪混合)社会混合处理,以检验在具有社会挑战性的情况下,增强的社会经验是否有益。分别在 5 周龄和 20 周龄时进行配对互动测试,并记录和分析后备母猪的社交和探索行为。结果表明,瑞典约克夏后备母猪在5周龄测试期间比荷兰约克夏后备母猪更多地探索围栏装置,而荷兰约克夏后备母猪在20周龄测试期间比瑞典约克夏后备母猪更多地探索围栏装置。在5周试验中,玩耍行为没有发现差异,但在20周试验中,在产仔栏中有早期社会混合经验的后备母猪比没有这种经验的后备母猪表现出更多的运动玩耍行为。总之,这些结果表明,在配对互动试验中,遗传系和早期社会混群经验会影响青年后备母猪的社会和探索行为。不同饲养系统中的遗传选择改变了社会行为,但这一假设没有得到支持,但可能影响了探索行为的水平。我们关于早期社会经验在具有社会挑战性的环境中会产生有益影响的预测几乎没有得到支持。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Friend or foe: effects of social experience and genetic line on responses of young gilts in a social challenge paired interaction test
The increased focus on group housing of sows in commercial pig production emphasises the importance of saving appropriate gilts which later become sows that are well-adapted to group housing systems. This study aimed to assess the short-term effects of social mixing experience and genetic line on social and exploration responses of young gilts in standardised 3-min social challenge paired interaction tests. The study included 96 gilts, from 26 litters, of two different genetic lines (Swedish Yorkshire and Dutch Yorkshire). These lines were chosen because the dam lines have been selected in group-housed and individual stall systems, respectively, a background which was hypothesised to have modified their social behaviour over time. The gilts were subjected to different early (opportunity to co-mingle with piglets in the neighbouring farrowing pen vs. no opportunity to co-mingle) and late (mixed with unfamiliar piglets at weaning vs. kept with familiar littermates after weaning) social mixing treatments, to test whether the enhanced social experience was beneficial in a socially challenging situation. Paired interaction tests were conducted at 5 and 20 weeks of age, and social and exploration behaviour of the gilts was recorded and analysed. The results showed that Swedish Yorkshire gilts explored the pen fittings more than Dutch Yorkshire gilts during the 5-week test, whereas Dutch Yorkshire gilts explored the pen fittings more than Swedish Yorkshire gilts during the 20-week test. No differences in play behaviour were found during the 5-week test, but in the 20-week test, gilts with early social mixing experience in their farrowing pen showed more locomotor play behaviour than gilts without this experience. Overall, these results suggest that genetic line and early social mixing experience can influence the social and exploration behaviours of young gilts in paired interaction tests. There was no support for the hypothesis that genetic selection in different housing systems has altered social behaviour, but it may have affected the level of exploration behaviour. There was little support for our prediction that early social experience has beneficial effects in a socially challenging situation.
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来源期刊
Animal
Animal 农林科学-奶制品与动物科学
CiteScore
7.50
自引率
2.80%
发文量
246
审稿时长
3 months
期刊介绍: Editorial board animal attracts the best research in animal biology and animal systems from across the spectrum of the agricultural, biomedical, and environmental sciences. It is the central element in an exciting collaboration between the British Society of Animal Science (BSAS), Institut National de la Recherche Agronomique (INRA) and the European Federation of Animal Science (EAAP) and represents a merging of three scientific journals: Animal Science; Animal Research; Reproduction, Nutrition, Development. animal publishes original cutting-edge research, ''hot'' topics and horizon-scanning reviews on animal-related aspects of the life sciences at the molecular, cellular, organ, whole animal and production system levels. The main subject areas include: breeding and genetics; nutrition; physiology and functional biology of systems; behaviour, health and welfare; farming systems, environmental impact and climate change; product quality, human health and well-being. Animal models and papers dealing with the integration of research between these topics and their impact on the environment and people are particularly welcome.
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