提高关键的肉福利指标,肉类质量和肠道微生物组合,使用在商业上相关的住房条件下的富含氧的饮用水
F Khattak1, S Galgano1, R Pearson2
1Monogastric Science Research Centre, Scotland's Rural College, Edinburgh, UK.
Poultry science
|July 15, 2025
概括
用氧气补充肉饮用水显著改善了鸟类福利和肉质量,减少肌肉肌病和腹部脂肪,而不会影响生长性能. 这为家禽生产提供了一种实用,非药物战略.
科学领域:
- 动物科学动物科学
- 禽类的营养 养
- 肉类科学 肉科学
背景情况:
- 饮用水中的溶氧 (DO) 对家禽至关重要,但经常被忽视.
- 高的DO水平可能会影响肉的健康,福利和肉质.
研究的目的:
- 评估含氧饮用水对肉福利,乳腺肌病和肠道微生物群的影响.
- 评估大约32 mg/L DO对商业肉生产的影响.
主要方法:
- 840只雄性罗斯308肉被分为两个组:含氧水 (约. 32 mg/L DO) 和自来水 (大约. 9.5 毫克/升 DO).
- 鸟类被养到36天,对性能,福利指标,尸体特征,肉质和肠道微生物组进行评估.
- 进行了统计分析,以确定治疗组之间的显著差异.
主要成果:
- 有氧化水显著改善了福利指标 (羽毛状况,烧伤,乳房清洁),减少了腹部脂肪 (-12%) 和乳房片中的白色条纹流行.
- 增长表现 (体重,料转换) 在两组中都超过了品种标准,表明了最佳条件.
- 没有观察到母乳肉营养成分的显著差异,但在接受含氧水的鸟类中,细菌脂质代谢途径发生了改变.
结论:
- 富含氧气的饮用水 (32 mg/L DO) 是一种实际的,非药品的策略,可以提高肉的福利和肉质.
- 它有效地减轻了乳腺肌肉肌肉病变,如白色条纹,并改善了尸体脂肪沉积.
- 进一步研究肠道微生物组在调解这些益处中的作用是有必要的.
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