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Impact of 5-20% Hydroponic Wheat Sprouts Inclusion on Growth and Metabolic Parameters of Growing Ewes

文献类型： 外文期刊

作者： Min, Li 1 ; Tuo, Yong 1 ; Li, Dagang 2 ; Zang, Changjiang 3 ; Amat, Guzalnur 1 ; Zhang, Zhijun 1 ; Guo, Tongjun 1 ;

作者机构： 1.Xinjiang Acad Anim Sci, Feed Res Inst, Key Lab Xinjiang Feed Biotechnol, Urumqi 830011, Peoples R China

2.Guangdong Acad Agr Sci, Inst Anim Sci, Minist Agr, Key Lab Anim Nutr & Feed Sci South China, Guangzhou 510640, Guangdong, Peoples R China

3.Xinjiang Agr Univ, Coll Anim Sci, Urumqi 830052, Peoples R China

关键词： unconventional feeds; alternative forages; economic effectiveness; rumen manipulation; growing ewes

期刊名称：ANIMALS （ 影响因子：2.7； 五年影响因子：3.0 ）

ISSN： 2076-2615

年卷期： 2024 年 14 卷 11 期

页码：

收录情况： SCI

摘要： Hydroponic wheat sprouts could be used as a potential sustainable feedstuff resource for livestock production. Based on its nutrient composition, it could exert good palatability and digestibility, thereby improving the feed intake and productive performance of livestock. We have evaluated the responses of four-month-old growing Hu ewes, while their diets are replaced with different proportions (5-20%) of hydroponic wheat sprouts. In this experiment, substitution 15% of the basal diet with hydroponic wheat sprouts would obtain the optimum production performance and net profit for growing ewes. Inversely, the higher substitution ratio (20%) will result in the decline of production performance and economic effectiveness, and show negative effect on rumen fermentation. The aim of this study was to assess the impact of varying proportions (5-20%) of hydroponic wheat sprouts in the diet of growing four-month-old Hu ewes on their productive performance, metabolic profiles, rumen fermentation, and alterations in microflora. Compared with the control group (CON), the optimum final weight of ewes has been presented in the group of substitution 15% (S15) of the basal diet with hydroponic wheat sprouts. Furthermore, 1-30 d the average daily gain (ADG), 31-60 d ADG, and average feed intake were both significantly improved in S15 compared with CON (p < 0.05). Feeding hydroponic wheat sprouts can significantly increase high-density lipoprotein and interleukin-2 (p < 0.05) accompanied by the numerical increase of the content of interferon-gamma, suggesting its positive effect on ewes' health and immune systems. In this process, it is noteworthy that feeding hydroponic wheat sprouts results in an increase in relative abundance of Olsenella, Limosilactobacillus, Shuttleworthia, and Prevotella_7, and a decrease in relative abundance of Succinimonas, Pseudobutyrivibrio, and Anaerovibrio in the rumen of growing ewes. It implies that the response of rumen microflora adapted to the change of dietary ingredients, as well as the relationship between rumen microflora changes and the improvement of productive performance and immune system in growing ewes. Considering the usage cost and application effect, S15 of the basal diet with hydroponic wheat sprouts could be the appropriate application solution for growing ewes.

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