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影响奥地利母猪养殖场生殖表现的因素 面临生殖疾病的挑战
Gertrude Baumgartner1, Alexander Grahofer2, Andrea Buzanich-Ladinig1
1Unit for Swine Medicine, Clinical Department for Farm Animals and Food System Science, University of Veterinary Medicine, Veterinaerplatz 1, 1210 Vienna, Austria.
Veterinary sciences
|January 28, 2026
概括
养殖场的大小和PRRS状态显著影响小猪生产的成功. 较大的,PRRS阴性农场显示出更好的生育率和更多的猪仔被断奶,突出了改善生殖表现的关键因素.
科学领域:
- 兽医医学 兽医医学 兽医医学
- 动物科学动物科学
- 生殖生物学 生殖生物学
背景情况:
- 糟糕的生殖表现是许多生猪养殖场面临的重大挑战.
- 这些生殖障碍的特征和促成因素尚不清楚.
- 识别易于测量的因素对于提高农场生产率至关重要.
研究的目的:
- 确定与奥地利小猪养殖场生殖表现相关的管理,治疗和预防因素.
- 为了将农场特征与生殖成功的关键绩效指标 (KPIs) 相对应.
主要方法:
- 在40个奥地利的生猪养殖场 (35-2000头母猪) 进行了基于问卷的口头调查.
- 定义了五个关键绩效指标 (KPIs):繁殖率,回归化率,流产率,每次养生产的猪总数,以及每次养断奶的猪.
- 进行了统计分析,以确定农场特征和关键关键指标之间的显著相关性.
主要成果:
- 较大的养殖场表现出更高的生育率和更多的猪仔出生和奶.
- 没有PRRS的农场显示出明显更高的生育率.
- 诸如在人工授精前不清洗阴道等做法与更高的生育率有关,而年长的挑逗野猪和更多的阴道泄漏与更高的回归到性欲率有关.
- 全进/全出系统,对其他动物物种的限制访问,和激素发育诱导与更高数量的断奶小猪相关.
结论:
- 农场规模和PRRS状态是影响生殖表现的重要因素.
- 具体的管理实践,包括在授精前的卫生和繁殖管理,在生产率上起作用.
- 传统的策略,如温度评估和常规的抗微生物/激素治疗,显示出有限的相关性,这表明需要进一步调查影响母猪繁殖成功的新型因素.
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