一种单宁混合料对肉牛收货期和后期放牧期生产性能和健康的影响。

IF 2.3 2区 农林科学 Q2 VETERINARY SCIENCES
J Daniel Rivera, Miriam A Snider, Cody T Shelton, R Cyle Jones, Grayson Gourley, G Doug Hufstedler, F Henry Hilscher
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引用次数: 0

摘要

以133头(178.2±20.9 kg)高危杂交阉牛和公牛为研究对象,分别在63 d的饲喂期和126 d的放牧期与未饲喂的对照组比较,评估饲粮中单宁(BXA)混合颗粒的添加情况。数据分析采用SAS 9.4软件,笔为实验单元。在接收期间,在死死(p > 0.25)或死死(p > 0.75)的基础上,平均日增重(ADG)没有差异。DMI在D0-21、D23-42和D0-42有增加的趋势(p < 0.13)。放牧期间,饲喂BXA的牛在D0-56、D0-84阶段的平均日增重显著高于对照组(p≤0.05),在D0-28、D0-112、D0-126阶段的平均日增重有显著高于对照组的趋势(p≤0.09)。总周期ADG(死亡)在处理之间没有差异(p = 0.18),在死亡基础上也没有差异(p = 0.20)。在因牛呼吸道疾病而接受治疗的动物百分比(p = 0.19)、死亡损失(p = 0.62)或因慢性疾病/死亡而被移除的动物百分比(p = 0.90)方面没有发现差异。结果表明,BXA在接受治疗期间没有改善性能或健康状况。然而,该添加剂在放牧期间有积极的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Evaluation of a Tannin Blend on Beef Cattle Performance and Health During the Receiving Period and Subsequent Grazing Period.

One hundred thirty-three high-risk crossbred beef steers and bulls (178.2 ± 20.9 kg) were used to evaluate dietary inclusion of a tannin (BXA) blend pellet during a 63 d receiving period and a 126 d grazing period compared with no dietary treatment (CON). Data were analyzed using SAS 9.4 with pen as the experimental unit. During receiving, no differences were noted on average daily gain (ADG) on a deads-out (p > 0.25) or deads-in (p > 0.75) basis. There were tendencies for increased DMI associated with BXA from D0-21, D23-42, and D0-42 (p < 0.13). During the grazing period, cattle fed BXA had greater ADG from D0-56, and D0-84 (p ≤ 0.05), and tended to have greater ADG from D0-28, D0-112, and D0-126 (p ≤ 0.09). Total period ADG (deads-out) did not differ between treatments (p = 0.18) nor on a deads-in basis (p = 0.20). No differences were noted in the percentage of animals treated for bovine respiratory disease (p = 0.19), death loss (p = 0.62), or percentage of animals removed as chronically morbid/dead (p = 0.90). Results indicate that BXA did not improve performance or health during the receiving period. However, this additive had positive effects during the grazing period.

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来源期刊
Veterinary Sciences
Veterinary Sciences VETERINARY SCIENCES-
CiteScore
2.90
自引率
8.30%
发文量
612
审稿时长
6 weeks
期刊介绍: Veterinary Sciences is an international and interdisciplinary scholarly open access journal. It publishes original that are relevant to any field of veterinary sciences, including prevention, diagnosis and treatment of disease, disorder and injury in animals. This journal covers almost all topics related to animal health and veterinary medicine. Research fields of interest include but are not limited to: anaesthesiology anatomy bacteriology biochemistry cardiology dentistry dermatology embryology endocrinology epidemiology genetics histology immunology microbiology molecular biology mycology neurobiology oncology ophthalmology parasitology pathology pharmacology physiology radiology surgery theriogenology toxicology virology.
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