含野豆食的肉肉的营养价值,不含或含有植物酶,植物酶和蛋白酶酶,单独或组合
Jalil Mahmwd Abdulla1,2, Stephen Paul Rose1, Alexander Mackay Mackenzie1
1The National Institute of Poultry Husbandry, Department of Agriculture and Environment, Harper Adams University, Newport, UK.
Archives of animal nutrition
|April 11, 2025
概括
外源酶如植物酶 (PHY),西兰酶 (XYL) 和蛋白质酶 (PRO) 在野豆饮食中提高了料效率. 植物酶是增强体重增加和降低料转化率的主要酶,特别是在低植物酸盐豆品种中.
科学领域:
- 动物营养和料科学 动物营养和料科学
- 农业化学 农业化学
- 生物化学 生物化学
背景情况:
- 田间豆是一种有价值的料成分,但它们的营养价值可能受到诸如植物酸和纤维等反营养因素的限制.
- 外源酶,包括植物酶 (PHY),西兰酶 (XYL) 和蛋白酶 (PRO),用于提高营养消化能力和动物表现.
- 这些酶的有效性可能会受到料成分的化学成分的影响,例如不同的田间豆品种.
研究的目的:
- 评估外源植物酶 (PHY),西兰酶 (XYL) 和蛋白酶 (PRO) 单独或组合对动物表现和营养利用的影响.
- 研究食酶补充对可代谢能量 (ME),营养消化能力,胃肠道 (GIT) 发育,料摄入量 (FI),体重增加 (WG) 和料转化率 (FCR) 的影响.
- 评估不同化学成分的不同田间豆品种对酶补充剂有效性的影响.
主要方法:
- 饮食是使用三个不同化学成分的野豆品种来制定的.
- 外源酶 (PHY,XYL,PRO) 被单独补充或与这些饮食结合.
- 测量包括饮食中的ME,营养物质消化率,GIT发展,FI,WG和FCR.
主要成果:
- 基于野豆的饮食,含有较低的植物酸和纤维含量,表现出更高的ME和改善干物质和脂肪保留.
- 仅食用植物酶 (PHY) 补充剂就显著降低了FCR,而仅食用西兰酶 (XYL) 就改善了饮食中的ME.
- 酶之间的相互作用影响了FI和WG,PHY是性能提升的主要贡献者. 植物酶在与低植物酸盐饮食一起使用时,也对保留 (NR) 产生了更大的影响. GIT的权重保持不变.
结论:
- 外源酶补充,特别是植物酶,可以增强基于野豆的饮食的营养价值,从而改善动物的表现.
- 酶的有效性受田间豆品种的化学成分的影响,低植物酸盐和低纤维品种表现出更好的反应.
- 虽然酶会影响性能指标,但它们不会显著地以生物学上显著的方式改变整体GIT重量或形态.
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