暴露于禁食和再养的pacu (Piaractus mesopotamicus) 的肠道反应 营养管理
Karine Nathiele Nogueira Farias1,2, André Luiz do Nascimento Silva1,2, Marco Shizuo Owatari3
1Programa de Ciência Animal da Faculdade de Medicina Veterinária e Zootecnia, Universidade Federal de Mato Grosso do Sul, Campo Grande, Mato Grosso do Sul, Brazil.
Anatomical record (Hoboken, N.J. : 2007)
|May 15, 2025
概括
禁食帕库 (Piaractus mesopotamicus) 长达30天会影响体重和肠道健康,但重新养会恢复这些参数. 禁食和再养的策略适用于帕库水产养殖.
科学领域:
- 水产养殖营养水产养殖营养
- 鱼类生理学 鱼类生理学
- 胃肠道生物学 胃肠道生物学
背景情况:
- 禁食是一种常见的水产养殖实践,旨在降低成本.
- 鱼的肠道对于营养和健康至关重要.
- 禁食可以显著影响鱼的胃肠系统.
研究的目的:
- 研究禁食和再食对帕库 (Piaractus mesopotamicus) 的影响.
- 评估体重变化,肠体指数 (ISI),肠组织测量和杯细胞体积的变化.
主要方法:
- 帕库接受了10,20和30天的禁食.
- 禁食效应与15天和50天的再养一起被评估.
- 关键参数包括体重,ISI,小尺寸和粘素含量.
主要成果:
- 禁食降低了体重和ISI,同时改变了小的结构和粘素水平.
- 短期再 (15天) 改善了体重和ISI.
- 长期的再养 (50天) 将肠道组织形态恢复到控制水平.
结论:
- 禁食会导致Pacu肠道生物识别和组织形态学的显著变化.
- 重新养有效地减轻和逆转禁食的负面影响.
- 禁食/再养管理策略可以在帕库养殖中有益.
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