纯霍尔斯坦,西蒙塔尔×霍尔斯坦和蒙贝利亚尔德×霍尔斯坦杂交的乳牛的生物经济比较
Soheila Noormohammadi1, Seyed Abbas Rafat1, Sadegh Alijani1
1Department of Animal Science, Faculty of Agriculture, University of Tabriz, Tabriz 51666, Iran.
Animals : an open access journal from MDPI
|February 27, 2026
概括
将霍尔施泰因牛与蒙特贝利亚德或西蒙塔尔品种交叉繁殖可以提高利能力. 蒙贝利亚德交叉产品的牛奶收入和整体利最高,而Simmental交叉产品降低了维护成本并提高了生长性能.
科学领域:
- 动物科学动物科学
- 农业经济学 农业经济学
- 乳牛养殖 乳牛养殖 乳牛养殖
背景情况:
- 纯种荷尔斯坦牛被广泛用于奶牛养殖,但正在探索杂交策略以提高经济表现.
- 了解不同杂交系统的经济影响对于优化奶牛场利能力至关重要.
研究的目的:
- 评估蒙贝利亚德 × 霍尔斯坦和西门特尔 × 霍尔斯坦杂交牛与纯霍尔斯坦牛相比的经济表现.
- 根据收入,成本和特征特定的经济价值来确定乳制品生产最有利可图的杂交策略.
主要方法:
- 利用生物经济模型模拟和比较三种不同的奶牛群体的经济表现:纯荷尔斯坦,蒙特贝利亚德 × 荷尔斯坦和西蒙塔尔 × 荷尔斯坦.
- 分析了收入流,包括牛奶销售和牛犊销售 (母牛和公牛),以及维护和变量成本等成本组件.
- 进行基于特征的经济评估,以评估特定生产和生殖特征的价值.
主要成果:
- 蒙特贝利亚德 × 霍尔斯坦杂交品种实现了最高的牛奶收入 (2223美元) 和利能力 (1002美元).
- 杂交系统的年度维护成本明显较低,Simmental × Holstein的变量成本比纯Holstein低22%.
- 两组杂交品种的出生体重和生长率都较高;蒙贝利亚德杂交品种在牛奶生产价值方面表现出色,而西门特杂交品种与更长的分娩间隔有关.
结论:
- 荷尔斯坦与蒙贝利亚德的杂交显著提高了奶牛场的整体利能力.
- 西蒙特尔 × 霍尔斯坦杂交系统通过降低维护成本和提高生长性能提供了实质性的经济优势.
- 杂交是一种可行的策略,可以提高奶牛养殖业务的经济效率和生产率.
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