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用大藻和微藻养的反动物的检查性能,牛奶和肉类:一个元分析的视角
Muhammad Ainsyar Harahap1, Slamet Widodo1, Ulvi Fitri Handayani1
1Research Center for Animal Husbandry, National Research and Innovation Agency (BRIN), Bogor, 16915, Indonesia.
Tropical animal health and production
|August 22, 2024
概括
将藻类养反动物对动物的表现产生了多种影响. 虽然一些品种受益于日益增长和尸体重量增加,但其他品种对料转换率和牛奶产量产生负面影响.
科学领域:
- 动物科学动物科学
- 营养科学 营养科学
- 海洋生物学 海洋生物学
背景情况:
- 藻类越来越多地被探索为反动物的可持续料成分.
- 了解不同类型藻类对动物表现的影响对于优化畜牧业生产至关重要.
研究的目的:
- 整合来自多项关于藻类在反动物中养的研究的数据.
- 确定藻类对牛奶成分,尸体产量和生长性能的影响模式.
主要方法:
- 67篇科学文章的元分析.
- 分析因素,包括藻类类型 (大藻和微藻),物种和动物品种.
- 对性能指标的统计评估,如平均每日增益,料转换率和尸体重量.
主要成果:
- 藻类养改善了巴基羊,摩加尼羊和扎拉伊比山羊的平均每日收益.
- 在加拿大Arcott和伊勒德法兰西羊群中观察到对料转换率的不良影响,特别是在年轻和割的动物中.
- 藻类提取物增加了热尸体的重量,而生藻类降低了牛和羊的牛奶脂肪和蛋白质含量.
- 肉类和牛奶中合利诺酸 (CLA) 和多可萨赫萨埃诺酸 (DHA) 的含量增加.
结论:
- 将藻类纳入反动物的饮食带来了混合的结果,增长和尸体产量都有好处,但在料效率和牛奶质量方面存在潜在的缺点.
- 需要进一步的研究来优化藻类补充策略,以实现可持续的反动物生产.
- 藻类可以提高动物产品中有益的脂肪酸 (CLA,DHA) 概况.
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