气质与Nili Ravi水牛公牛的生长表现的关联
Salman Khalid Gorsi1, Hamza Manzoor2, Muhammad Qamer Shahid1
1Department of Livestock Management, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan.
Animals : an open access journal from MDPI
|August 14, 2025
概括
宁静的尼里拉维水牛公牛在生命早期的生长速度明显快,相比于紧张的公牛. 这突显了气质.
科学领域:
- 动物科学 动物科学
- 动物行为 动物行为
- 畜牧业生产 畜牧业生产
背景情况:
- 气会影响动物的福利和生产力.
- 了解气质与生长的关联对于畜牧管理至关重要.
研究的目的:
- 研究尼利拉维水牛母牛的气质和生长速度之间的关系.
- 评估气质对平均每日增长和皮质醇水平的影响.
主要方法:
- 在84只尼利拉维水牛母牛 (18-24个月) 中,通过落地得分和出口速度评估气质.
- 分析了回顾性平均每日体重增加数据.
- 从血液样本中测量的皮质醇水平.
- ANOVA用于分析具有固定效应的数据,包括气质,年龄,季节和年份.
主要成果:
- 平静的小母牛 (n=48) 在断奶后 (4-12个月,p <0.001) 期间,平均每日增益明显高于紧张的小母牛 (n=36).
- 在18-24个月之间,生长差异并不显著 (p = 0.144).
- 平静的小母牛的皮质醇水平比较低 (0.96比1.27μg/dL,p=0.11).
结论:
- 气质是影响Nili Ravi水牛公牛早期生长表现的重要因素.
- 选择更冷静的气质可能会提高生长率,并改善育种计划中的整体福利.
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