后生物补充剂稳定了牙炎,并改善了布兰古斯公牛在广泛放牧系统中的动物技术性能
Júlia Rebecca Saraiva1, Jonatas Campos de Almeida1, Ricardo Pereira Manzano2
1Department of Veterinary Medicine, School of Veterinary Medicine and Animal Science, Universidade Federal de Goiás, Goiânia, Brazil.
Frontiers in veterinary science
|February 2, 2026
概括
含有Saccharomyces cerevisiae后生物的食补充剂有助于预防牛群的牙炎进展. 这种营养策略还改善了放牧小牛的平均每日收益 (ADG),表明了可持续畜牧系统的潜力.
科学领域:
- 兽医医学 兽医医学 兽医医学
- 动物营养动物营养
- 动物健康 动物健康
背景情况:
- 牙炎是牛牙周病的早期,可逆的阶段,影响动物福利和生产力.
- 在放牧系统中控制牙炎是一项挑战,需要可持续的口腔健康营养管理策略.
研究的目的:
- 评估食补充剂的影响,包括Saccharomyces cerevisiae后生物,对牛肉的牙周炎的发生和体重表现.
- 评估营养策略的潜力,以管理口腔健康并提高放牧牛的生产力.
主要方法:
- 150只交叉品种的布兰古斯牛犊被分为三个组:后生物补充剂,标准蛋白质能量补充剂和矿物补充剂 (控制).
- 每个月通过检查落叶切口牙来评估牙的健康状况.
- 体重记录了四个月,以确定平均每日增益 (ADG).
主要成果:
- 在牙炎发病频率方面没有观察到显著的群体间差异.
- 然而,只有后生物组保持了稳定的牙炎频率,而其他组显示显著增加.
- 与标准补充剂 (0.258公斤/天) 和对照 (0.117公斤/天) 组相比,补充后补充生物质的公牛有更高的ADG (0.300公斤/天).
结论:
- 细菌菌的后生物补充剂并没有减少最初的牙炎的发生,但阻止了它的进展.
- 后生菌改善了放牧小牛的体重表现 (ADG).
- 后生物质是一种有前途的营养策略,可以维持口腔健康并提高可持续畜牧系统的生产力.
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