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饮食水 (Notonecta sp.) 是一种水. 作为羊的替代蛋白质来源的面粉:对表现,营养摄入量,平衡和发酵参数的影响
Lizbeth E Robles Jimenez1, Navid Ghavipanje2, Manuela Renna3
1Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma del Estado de México, Toluca, Mexico.
Animal science journal = Nihon chikusan Gakkaiho
|November 18, 2024
概括
来自水 (Notonecta sp., NT) 的昆虫显示出作为肥羊羔可持续蛋白质来源的潜力. 虽然消化能力略低,但NT粉没有对生长性能或甲产量产生负面影响,为大豆和鱼粉提供了可行的替代品.
科学领域:
- 动物营养和料科学 动物营养和料科学
- 可持续农业 可持续农业
- 昆虫蛋白质利用 昆虫蛋白质利用
背景情况:
- 传统的蛋白质来源,如大豆粉 (SBM) 和鱼粉 (FM),在羊的饮食中被广泛使用.
- 在动物料中越来越需要替代的,可持续的蛋白质成分.
- 昆虫正在成为牲畜有希望的替代蛋白质来源.
研究的目的:
- 为了评估水 (Notonecta sp., NT) 作为肥羊羔的蛋白质来源的有效性.
- 在生长性能,营养物质利用率和小麦芽发酵方面,将NT粉与传统大豆粉 (SBM) 和鱼粉 (FM) 进行比较.
- 评估NT粉对绵羊中平衡和肠道甲产生的影响.
主要方法:
- 18只雄性萨福克羊羔在21天内被食含有SBM (130g/kg DM),FM (50g/kg DM) 或NT (60g/kg DM) 的实验性饮食.
- 评估的参数包括干物质 (DM) 摄入量,营养物质消化能力,平衡和体外小麦发酵.
- 特别关注DM降解,微生物原蛋白合成和肠道甲排放.
主要成果:
- 干物质摄入量在所有饮食治疗中都是可比的.
- 与SBM饮食相比,NT饮食的DM和有机物质的消化能力较低.
- 在DM降解,微生物原蛋白生产或肠道甲排放之间没有观察到任何显著差异.
- 在体外化12小时和24小时后,NT饮食导致氨- (NH3-N) 水平最低.
结论:
- 在饮食中包括水 (Notonecta sp.) 粉可以作为肥羊羔的替代蛋白质策略.
- 纳入NT食并没有对动物关键性能指标或甲生产产生不利影响.
- 进一步研究优化NT食含量水平和长期影响是有必要的.
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