饮食中的益生菌减轻了 brojlers 中实验诱导的菌病
Mahnaz Bayat1, Hassan Darmani Kuhi1, Mohammad Roostaei-Ali Mehr1
1Department of Animal Science, Faculty of Agricultural Sciences, University of Guilan, Rasht, Iran.
Research in veterinary science
|October 29, 2024
概括
益生菌补充剂改善了 brojler 的生长和料效率,同时显著减少了 coccidiosis 指标,如每克便中的卵囊和受挑战的鸟类的肠道病变. 这些积极效应与未受挑战的鸟类相比,突出显示了益生菌的有效性.
科学领域:
- 禽畜科学 禽畜科学 禽畜科学
- 动物营养 动物营养
- 兽医寄生虫学 兽医寄生虫学
背景情况:
- 由Eimeria引起的菌病是 brojlers中的重大寄生病,影响生长和料效率.
- 益生菌为预防疾病和提高表现提供了抗菌药物的潜在替代品或辅助剂.
研究的目的:
- 评估益生菌补充剂对患有Eimeria的肉生长表现和菌病预防的影响.
- 为了比较不同的益生菌含量水平和时间的疗效与阳性对照和标准抗菌药物.
主要方法:
- 一个完全随机的设计实验涉及420只雄性罗斯308只小,在7种饮食治疗中进行,包括对照组,不同的益生菌水平和沙利诺米辛.
- 鸟类受到Eimeria分泌卵巢囊 (SOE) 或菌病疫苗的挑战,测量是在28日进行的.
- 关键指标包括体重增加,料转换率,肠道病变得分,掉落得分和每克便 (OPG) 的卵囊.
主要成果:
- 益生菌补充剂,不论速率如何,增强了体重增加和料转换比率,与阳性对照组相比.
- 接受益生菌的挑战性 brojlers 显示明显较低的OPG,下降得分和肠道损伤得分比阳性对照.
- 益生菌对菌病控制的积极效应与未受到挑战的鸟类中观察到的效应相当.
结论:
- 饮食中的益生菌有效地提高了 brojlers 的生长性能和料转换.
- 益生菌在挑战性肉中预防和控制菌病的显著潜力,提供与无挑战性鸟类相似的结果.
- 益生菌补充剂是一个可行的策略,以提高肉的健康和生产力,面对菌挑战.
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