人类的社会丰富与人工养母羊羔的死亡率降低有关
1School of Psychology, University of Auckland, Science Centre, Auckland, New Zealand.
Animal science journal = Nihon chikusan Gakkaiho
|January 16, 2024
概括
通过安静的人际接触进行的社会丰富,在人工养系统中显著降低了羊羔死亡率. 这一发现凸显了社会互动对羊羔福利和农场经济可行性的重要性.
科学领域:
- 动物科学动物科学
- 农业经济学 农业经济学
- 兽医医学 兽医医学 兽医医学
背景情况:
- 人工养对于羊奶养殖场的经济成功至关重要.
- 社会丰富,特别是安静的人际接触,可以通过减少压力和增强免疫功能来改善羔羊的生长.
研究的目的:
- 调查社会丰富对人工养乳母羊的生长和死亡率的影响.
主要方法:
- 114只人工养的羊羔被分为两个组:社会 (每天安静的人类接触) 和控制 (没有人与人接触).
- 两个群体的食和住房条件相同.
- 绵羊的体重和死亡率在3周内被记录下来.
主要成果:
- 3周后,社会和对照组之间没有观察到体重增加的显著差异.
- 与对照组 (8%) (p=0.041) 相比,社会组 (0%) 的死亡率明显较低.
结论:
- 作为安静的人际接触提供的社会丰富,有助于减少人工养系统中的羊羔死亡率.
- 实施社会丰富战略可以改善羔羊的福祉,并有助于绵羊奶业务的经济可行性.
相关概念视频
Cloning of Dolly the Sheep
3.7K
The first successfully cloned mammal was Dolly, a sheep, born on 5th July 1996 at Roslin Institute, Scotland. The cloned sheep was named after the American singer Dolly Parton. Dolly lived for seven years and died of respiratory complications, which is speculated to be due to the actual age of her DNA. Because the DNA in cloned cells belongs to an older individual, the cloned individual’s life expectancy may be affected. Indeed, analysis of Dolly’s DNA revealed shorter...
3.7K
Imprinting
9.8K
Behavioral imprinting is observed in some newborn animals and occurs when they develop strong and specific attachments to another animal (usually a parent) following brief, early-life exposures. Offspring imprint onto parents within a brief period after birth or hatching; this time window is called the critical period. Once imprinting occurs, the bond established between the parents and their offspring is usually long-lasting.
9.8K


