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对于Tambaqui,Colossoma macropomum,在成长阶段的食的需求

Ludmila L C Menezes¹, Vânia M Machado², Cristielle N Souto¹

¹Laboratório de Pesquisa em Aquicultura, Universidade Federal de Jataí, Campus cidade universitária, Jataí, GO, Brazil.

Journal of animal physiology and animal nutrition

|July 17, 2025

概括

坦巴基需要4.1g/kg的可用 (AP) 才能充分生长,但更高的水平可以最大限度地改善骨健康. 最佳的AP水平支持免疫功能和生理上的好处在养鱼.

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
动物科学动物科学

背景情况:

是鱼类骨发育和代谢过程中必不可少的矿物质.
的食需求在不同鱼种和生命阶段有很大差异.
了解可用的 (AP) 需求对于优化坦巴奎水产养殖至关重要.

研究的目的:

为了确定Tambaqui在成长阶段 (400-1000克) 的可用 (AP) 需求.
评估饮食中AP水平对生长,身体组成,矿物质含量,血液参数和抗氧化酶活性的影响.
根据多个生理指标,为tambaqui水产养殖建立最佳的AP水平.

主要方法:

在一个循环水产养殖系统中,128只tambaqui在180天内被食五种不同AP水平的实验性饮食 (4.1到10.3g/kg).
分析了生长性能,全身成分,骨和矿化,血液生物化学和抗氧化酶活性.
为了计算可用的需求,确定了饮食的表面消化率 (ADC).

主要成果:

饮食AP水平为4.1g/kg足以实现充分的生长,但导致脂肪增加.
随着更高的AP补充剂,骨矿化增加,而和全身矿化仍然不受影响.
中间AP水平 (约6.17g/kg) 提高了血清蛋白,酶和免疫球蛋白度,表明生理上的好处.

结论:

在成长阶段的tambaqui可以在没有无机补充的情况下从植物性饮食中获得4.1g/kgAP的足够生长.
为了最大限度地提高骨矿化,需要更高的AP水平 (10.3g/kg),而中间水平则提供潜在的免疫和生理优势.
这些发现为制定Tambaqui水产养殖的经济有效和营养完整的饮食提供了关键数据.

关键词:

黑色的 cachamaama 是一个黑色的 cachama.在饮食中含有的矿物营养矿物营养岩的矿化岩的矿化

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