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Updated: Jun 26, 2025

Protocol for Assessing the Relative Effects of Environment and Genetics on Antler and Body Growth for a Long-lived Cervid
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Published on: August 8, 2017

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优化再繁殖21 II:在肉牛短暂的繁殖季节期间,不同比例的生育率和生殖效率在肉牛的繁殖季节

João Paulo N Andrade1, Pedro J L Monteiro1, Alexandre B Prata2

  • 1Department of Animal and Dairy Sciences, University of Wisconsin-Madison, WI, 53706, USA.

Theriogenology
|May 11, 2024
PubMed
概括

该ReBreed21计划通过允许每21天进行一次再播种来提高肉牛定时人工授精 (TAI) 的效率. 与传统方法相比,这种策略导致怀孕的日数减少,累积怀孕的数量增加.

关键词:
森林的指标 Bos indicus.繁殖季节是一个繁殖季节.多普勒超声波是指多普勒超声波.定时的人工智能

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Energy Budgets00:51

Energy Budgets

Organisms must balance energy intake with the energy required for growth, maintenance and reproduction. These trade-offs result in a variety of survivorship and reproductive strategies, including semelparity and iteroparity. Semelparous species, like annual plants, have only one reproductive episode in their lifetimes and consequently have short lifespans. Iteroparous species, by contrast, have many reproductive events during their lifetimes but have relatively few offspring. These two...
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