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最佳的甲改善了东方河的生长和调节的激进行为,Macrobrachium nipponense
Shiqian Cao1, Qian Chen1, Qianhui Wang2
1Wuxi Fisheries College, Nanjing Agricultural University, No. 69 Xuejiali, Wuxi 214128, China.
Aquaculture nutrition
|October 20, 2025
概括
东方河的最佳食托需求量为0.35%-0.39%的干物质,增强生长并减少攻击性. 这项研究确定了改善料转换比率 (FCR) 和蛋白质效率比率 (PER) 的最佳水平.
科学领域:
- 水产养殖营养水产养殖营养
- 动物行为科学 动物行为科学
- 甲动物生理学 甲动物生理学
背景情况:
- 托芬是一种必不可少的氨基酸,对生理功能至关重要.
- 东方河 (Macrobrachium nipponense) 的生长和行为受到饮食中的氨基酸水平的影响.
- 了解最佳的托需求对于可持续的水产养殖至关重要.
研究的目的:
- 为了确定对Macrobrachium nipponense.se.的最佳饮食托需求.
- 评估不同托水平对生长表现,身体组成和生理参数的影响.
- 评估托芬对激动性行为和相关神经化学路径的影响.
主要方法:
- 一个为期8周的养试验,六种不同的食托水平 (0.07%至0.64%).
- 评估生长参数 (SGR,BPD,PER,FCR) 和身体组成.
- 血液淋巴细胞参数 (TP,胆固醇,UN,TG,GLU) 和基因表达 (tor,atf4,atf3,cpt1,acc,fas,5-ht1b) 的分析.
- 观察和定量激动性行为和血清激素水平.
主要成果:
- 最佳的生长性能 (SGR,BPD,PER) 和料转换 (FCR) 是通过0.35%-0.39%的食酸盐实现的.
- 较高的托芬水平 (0.52%-0.64%) 改善了原蛋白和脂质含量,但改变了血淋巴的参数.
- 食托显著降低了对抗性行为,与增加的血清素水平和5-ht1b基因表达相关.
结论:
- 东方河的最佳食托需求量为0.35%-0.39%的干物质 (0.90%-1.01%的原蛋白).
- 适当的托芬水平可以促进生长,改善料利用率,调节生理反应.
- 补充最佳的托芬水平有效地减轻了的攻击性行为.
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