挤出玉米和β-曼酶的添加显示出可比的生长速度,营养物质的利用率和降低便分数在生长猪
Vetriselvi Sampath1,2, In Ho Kim1,2
1Department of Animal Biotechnology, Dankook University, Cheonan, Republic of Korea.
Journal of animal physiology and animal nutrition
|November 28, 2025
概括
挤出玉米和β-曼酶补充剂改善了猪生长和料效率. 挤出玉米还提高了营养消化能力,减少了腹,为可持续畜牧生产提供了潜在的更具成本效益的解决方案.
科学领域:
- 动物科学动物科学
- 农业科学 农业科学
- 营养科学 营养科学
背景情况:
- 非反动物的饮食经常面临着营养利用和消化健康方面的挑战.
- 酶补充和料加工是提高动物表现的策略.
研究的目的:
- 为了比较β-mannanase和挤出玉米对生长猪的表现的影响.
- 评估这些料策略在畜牧业生产中的经济可行性.
主要方法:
- 84只生长中的猪被分为三个组:对照组 (基础饮食),β-mannanase补充剂和挤出玉米饮食.
- 进行了一项为期42天的养试验,以评估体重,每日增加和料转换率.
- 还测量了营养消化能力和腹得分.
主要成果:
- 与对照组相比,β-mannanase和挤出玉米都显著增加了体重,每日增益和增益-养比率.
- 被挤出玉米养的猪显示干物质和消化能力有所改善,腹得分降低.
- 虽然这两种干预都有成本,但挤出玉米是一个潜在的更经济可行的选择.
结论:
- 贝塔-曼南酶和玉米挤出有效提高猪生长和料效率.
- 挤出玉米在营养消化能力和肠道健康方面提供了额外的好处,使其成为可持续和经济的畜牧业有前途的战略.
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