狗品种和粉凝化相关性 食品消化能力和便特征
Mariana Gilbert Pescuma1, Thais Oliveira Ximenes1, Caroline Alves Garcia1
1School of Agricultural and Veterinary Sciences, São Paulo State University (UNESP), Jaboticabal, Sao Paulo, Brazil.
Journal of animal physiology and animal nutrition
|October 1, 2024
概括
狗粮中较高的粉凝化 (SG) 可以通过减少对结肠的有机物流来改善大型品种的便一致性. 这项研究发现,增加SG对不同犬种的营养消化能力和便得分产生积极影响.
科学领域:
- 狗的营养 狗的营养
- 消化系统生理学 消化系统生理学
- 动物科学动物科学
背景情况:
- 大型犬种经常经历未形成的便.
- 这表明在大型品种狗粮中可能需要具体的饮食修改.
- 假设:狗粮中较高的粉凝化 (SG) 可能会减少结肠有机物流量,改善便质量.
研究的目的:
- 研究粉凝化 (SG) 不同水平对不同犬种便特征,营养消化能力和胃肠道传输时间 (GTT) 的影响.
- 为了确定更高的SG水平是否可以减轻大型犬种的未形成便.
主要方法:
- 在23天的时间里,给罗特维尔犬,比格尔犬和石津犬提供了三种基于的饮食,具有不同的SG水平 (SG90,SG50,SG30).
- 评估的参数包括营养物质的通道表面消化率 (CTTAD) 系数,便产量,发酵产品,矿物质吸收 (Na,K,Cl) 和GTT.
- 统计分析涉及ANOVA考虑SG,品种和它们的相互作用,与使用Tukey的测试比较的方法.
主要成果:
- 便分数在罗特威尔犬中明显较低 (稳定性更好),而不是比格尔犬和石津犬,并且随着高SG水平 (SG30
- 较高的SG (SG90) 导致了更高的便pH值和更低的短链脂肪酸,表明结肠发酵减少.
- 营养物质的CTTAD在增加的SG (SG30
结论:
- 食品粉凝化 (SG) 显著影响便的一致性,特别是在像罗特威勒这样的大品种中.
- 较高的SG水平提高了所有品种的营养消化能力,改善了便质量.
- 在大型犬种中,纳入高SG的饮食策略可能有利于管理消化系统健康和便一致性.
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