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日粮发酵全混合日粮的生物和化学添加剂能否提高反刍动物的消化率、生产性能和瘤胃发酵?

Can dietary fermented total mixed ration additives biological and chemical improve digestibility, performance, and rumen fermentation in ruminants?

作者信息

Supapong Chanadol, Cherdthong Anusorn

机构信息

Department of Animal Science, Faculty of Agriculture, Rajamangala University of Technology Srivijaya, Nakhon Si Thammarat, Thailand.

Tropical Feed Resources Research and Development Center (TROFREC), Department of Animal Science, Faculty of Agriculture, Khon Kaen University, Khon Kaen, Thailand.

出版信息

Anim Biotechnol. 2023 Dec;34(9):5113-5123. doi: 10.1080/10495398.2023.2206864. Epub 2023 May 7.

Abstract

The quantity and quality of animal feed are important factors for efficient and profitable animal farming. Feed ingredients and supplementation with high-density energy and nitrogen would be potentially useful on the farm. The new approach to feeding has shifted from animal-based diets to more readily fermentable feedstuffs in ruminants to meet the increased production of high-yielding animals. These methods encourage the use of fermented total mixed ration (FTMR). An advantage of feeding FTMR as opposed to total mixed ration (TMR) is the opportunity for a development alternative to efficiently handle ruminant diets. FTMR is a method to promote progressive nutrient utilization, extend the preservation of feed by preventing spoilage, and reduce anti-nutritive substances in feeds. Ruminal protein and starch degradability were increased due to proteolysis during storage by ruminants fed ensiled rations. The results found that FTMR can reduce the pH level and increase the lactic acid content of ensiled materials, which results in better quality feed and longer storage times. In addition, it can increase dry matter intake, growth rate, and milk production when compared with TMR. It was shown that the use of FTMR diet was effective for animal production. However, FTMR was rapidly spoiled when exposed to air or feed-out, particularly in hot and humid climates, resulting in a decrease in lactic acid concentration, an increase in pH, and the loss of nutrients. Thus, the appropriate method for enhancing the quality of FTMR should be considered.

摘要

动物饲料的数量和质量是高效且盈利的畜牧业的重要因素。饲料成分以及高密度能量和氮的补充在农场可能会很有用。反刍动物的新喂养方式已从基于动物的日粮转向更易发酵的饲料,以满足高产动物不断增加的产量需求。这些方法鼓励使用发酵全混合日粮(FTMR)。与全混合日粮(TMR)相比,饲喂FTMR的一个优势是有机会开发一种有效处理反刍动物日粮的替代方法。FTMR是一种促进养分逐步利用、通过防止变质延长饲料保存期以及减少饲料中抗营养物质的方法。由于饲喂青贮日粮的反刍动物在储存期间的蛋白水解作用,瘤胃蛋白质和淀粉的降解率增加。结果发现,FTMR可以降低青贮物料的pH值并增加乳酸含量,从而产生质量更好、储存时间更长的饲料。此外,与TMR相比,它可以增加干物质摄入量、生长速度和产奶量。结果表明,使用FTMR日粮对动物生产有效。然而,FTMR暴露于空气或投喂时会迅速变质,特别是在炎热潮湿的气候条件下,导致乳酸浓度降低、pH值升高以及营养成分流失。因此,应考虑提高FTMR质量的适当方法。

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