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首页> 美国卫生研究院文献>Animals : an Open Access Journal from MDPI >Does the Effect of Replacing Cottonseed Meal with Dried Distiller’s Grains on Nellore Bulls Finishing Phase Vary between Pasture and Feedlot?
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Does the Effect of Replacing Cottonseed Meal with Dried Distiller’s Grains on Nellore Bulls Finishing Phase Vary between Pasture and Feedlot?

机译：用干蒸馏器的谷物取代棉籽粕的效果是否在牧场和饲养液之间变化时变化？

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摘要

The use of less costly products that are not consumed by humans in animal feed has gained increasing attention in the context of sustainable production. Dried distiller’s grains (DDG), a co-product of the production of ethanol from corn, stands out for being efficient in the nutrition of ruminants, meeting both the energy and protein demands of the diets, when the cattle are kept in the pasture or feedlot. The study aimed to evaluate the effect of replacing cottonseed meal (CM) by DDG in two levels (50% (50DDG) and 100% (100DDG)), in terms of efficiency in the productive aspects of cattle finishing phase comparing pasture versus feedlot. The effect of replacing CM by DDG on dry matter, nutrients intake and nutrients digestibility depends on finishing system. While in the pasture system animal consumed more nutrients in the CM, a greater intake was observed in the 100DDG in feedlot. The nutrients digestibility was lower in the pasture. Animal performance and final body weight were higher in the feedlot. The use of DDG does not change the animal performance finished in pasture or feedlot, and it is a viable alternative to replace conventional supplements in finishing phase in both systems in tropical environment.
机译：在可持续生产的背景下，使用动物饲料中未消耗的昂贵产品的使用较少的产品。干蒸馏器的谷物（DDG），玉米乙醇的生产的共同产品，用于有效的反刍动物营养，满足饮食的能量和蛋白质需求，当牛保持在牧场或饲料。该研究旨在评估DDG在两级（50％（50ddg）和100％（100ddg）中替代棉籽粉（CM））的效果，就牧场与饲料的生产方面的效率。通过DDG取代CM在干物质上的效果，营养物质摄入和营养物质消化率取决于精加工系统。虽然在牧场系统动物中消耗更多的培养物，但在饲料液中100ddg观察到更大的摄入量。牧场营养消化率较低。动物的性能和最终体重在饲料中较高。 DDG的使用不会改变牧场或饲料中完成的动物性能，并且是一种可行的替代方案，可以在热带环境中的两个系统中取代整理阶段的常规补充剂。

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