Effects of probiotic administration on the digestibility characteristics and growth performance of finishing beef cattle fed a total mixed ration containing different levels of corn stover

被引：1
|
作者：
Wu, Qingyu [1 ,2 ]
Cao, Manyu [3 ]
Xie, Huade [4 ]
Huang, Qiulian [1 ,2 ]
Zhou, Xin [1 ,2 ]
Guo, Jun [5 ]
Sun, Yun [1 ,2 ]
Yang, Jingjing [1 ,2 ]
Lei, De [6 ]
Zhang, Aizhong [1 ]
Zuo, Feng [2 ]
Cao, Yang [1 ,2 ,7 ]
机构：
[1] Heilongjiang Bayi Agr Univ, Coll Anim Sci & Vet Med, Heilongjiang Prov Key Lab Efficient Utilizat Feed, Daqing, Peoples R China
[2] Minist Educ, Engn Res Ctr Proc & Utilizat Grain By Prod, Daqing 163319, Peoples R China
[3] Sichuan Agr Univ, Coll Vet Med, Chengdu, Peoples R China
[4] Chinese Acad Agr Sci, Buffalo Res Inst, Nanning, Peoples R China
[5] Anim Epidem Control Ctr Changling Cty, Songyuan, Peoples R China
[6] Jilin Yutian Husb Co Ltd, Daan, Peoples R China
[7] Minist Agr & Rural Affairs P R China, Key Lab Low Carbon Green Agr Northeastern China, Daqing, Peoples R China
来源：
ANIMAL SCIENCE JOURNAL | 2022年 / 93卷 / 01期
基金：
中国国家自然科学基金;
关键词：
corn stover; digestibility characteristics; finishing beef cattle; growth performance; probiotics; LACTIC-ACID BACTERIA; DAIRY-COWS; ENERGY-UTILIZATION; RUMINAL DIGESTION; MILK COMPONENTS; NUTRITIVE-VALUE; RUMEN; FERMENTATION; CONCENTRATE; SILAGE;
D O I：
10.1111/asj.13751
中图分类号：
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号：
0905 ;
摘要：
In this study, we aimed to assess the effects of probiotic administration on the digestibility characteristics and growth performance of finishing beef cattle fed a total mixed ration (TMR) containing different levels of corn stover. One hundred and sixty Simmental x Continental crossbred bulls were randomly allocated to two animal houses (80 bulls each) and randomly assigned four TMR differing in the level of corn stover-high (HCT) and low (LCT)-with or without probiotics in each animal house. Feeding HCT supplemented with probiotics increased (P < 0.05) the apparent digestibility of crude protein (CP), ether extract (EE), neutral detergent fiber (NDF), and acid detergent fiber (ADF). Regardless of probiotic supplementation, the nitrogen intake and fecal nitrogen levels of animals fed HCT were lower than those fed LCT (P < 0.05). Additionally, feeding probiotics increased (P < 0.05) the efficiency of ruminal fermentation, final body weight, and average daily gain (ADG) of animals, with this effect being stronger in animals fed HCT. In conclusion, supplementing probiotics with HCT has a positive effect on the growth of finishing beef cattle, thereby providing economic benefits.
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收藏
页数：9
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