增加的活动减少了罗斯708和Ranger Gold肉中木质乳房的流行率
Cirenio Hisasaga1, Maja M Makagon1
1Department of Animal Science, Center for Animal Welfare, University of California, Davis, Davis, CA 95616, USA; Animal Biology Graduate Group, College of Agricultural and Environmental Sciences, University of California, Davis, Davis, CA 95616, USA.
Poultry science
|October 2, 2024
概括
增加肉活动显著降低了快速生长和缓慢生长的品种中木乳腺 (WB) 的流行率和严重程度. 通过促进运动,运动改善了肉的健康和肉质.
科学领域:
- 动物科学动物科学
- 禽畜科学 禽畜科学 禽畜科学
- 肉类科学 肉科学
背景情况:
- 木质乳房 (WB) 是一种影响 brojler Pectoralis 大肌肉的疾病,其特征是硬化和白.
- 在 brojlers 中,WB 的流行率可达 85%,影响肉质和经济可行性.
- 有限的研究存在于增强的运动运动活动对WB发育和骨质的直接影响.
研究的目的:
- 为了研究增加运动运动活性的假设,减少WB的流行,并改善肉的骨质量.
- 为了比较运动对WB和骨质质量的影响,比较快速生长的 (Ross 708) 和缓慢生长的 (Ranger Gold) 肉品种.
主要方法:
- 两种肉品种 (Ross 708和Ranger Gold) 被安置在有运动治疗 (鱼,定时活动) 或控制 (不运动) 的子中.
- 在平日期间,每天6小时促进了运动运动活动.
- 用触摸评估WB的患病率和严重程度;用DXA测量骨矿物质含量 (BMC) 和骨矿物质密度 (BMD).
主要成果:
- 运动显著降低了Ross 708和Ranger Gold肉的木胸的患病率和严重程度.
- 压力显著影响了骨BMC和BMD,Ross 708显示了更高的绝对值.
- 与Ross 708相比,Ranger Gold肉的BMC和BMD每单位最终体重显著更高.
结论:
- 通过运动促进肉活动是一种有效的策略,可以减轻木乳腺的流行和严重程度.
- 这些发现表明,增强体育活动可以积极影响肉的肌肉和骨健康.
- 骨质量指标存在特定菌株的差异,特别是在体重正常化时.
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