Feed for improving birth weight of piglets, reducing weak piglet rate and relieving farrowing performance damage of obese sows

The invention provides a feed for improving birth weight of piglets, reducing weak piglet rate and relieving farrowing performance impairment of obese sows, and belongs to the technical field of livestock and poultry breeding, the feed contains 1.22-1.72% by mass of proline, and the feed can improve reproductive performance of pregnant sows and improve farrowing performance of the pregnant sows. And data support and theoretical guidance are provided for improving the birth weight of piglets, reducing the rate of weak piglets, providing a nutrition regulation strategy for obese sows and improving economic benefits. 本发明提出了一种提高仔猪初生重和降低弱仔率及缓解肥胖母猪产仔性能受损的饲料，属于畜禽养殖技术领域，饲料中含有质量百分比为1.22～1.72％的脯氨酸，该饲料可以改善妊娠母猪繁殖性能，为生产上提高仔猪初生重、降低弱仔率和针对肥胖母猪提供营养调控策略、提高经济效益提供数据支撑和理论指导。