Agricultural Economics, University of Nebraska, West Central Research and Extension Center, 402 West State Farm Road, North Platte, NE 69101, USA.
Beef Production Systems, University of Nebraska, West Central Research and Extension Center, 402 West State Farm Road, North Platte, NE 69101, USA.
Vet Clin North Am Food Anim Pract. 2019 Jul;35(2):379-390. doi: 10.1016/j.cvfa.2019.02.011.
Beef production is a complex system, in which cows are expected to perform in varied environmental conditions. In cattle, the most commonly reported developmental programming influence is nutrient restriction during the prenatal period due to climatic conditions affecting forage availability and quality. Recent research has demonstrated maternal or prepartum nutrition can affect more than just subsequent pregnancy rates. Studies in different species report how maternal nutrition influences progeny performance, health, and reproduction. Better understanding of developmental programming and nutritional management within different environments may advance cowherd efficiency.
牛肉生产是一个复杂的系统，奶牛需要在各种环境条件下表现良好。在牛中，最常见的发育编程影响是由于气候条件影响饲料的可获得性和质量，导致产前期间的营养限制。最近的研究表明，母体或产前营养不仅会影响随后的妊娠率。不同物种的研究报告了母体营养如何影响后代的性能、健康和繁殖。更好地了解不同环境中的发育编程和营养管理可能会提高牛群的效率。
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