Effects of freshness of poultry by-product meal on the growth performance, immune response, and hepatopancreatic health of Macrobrachium rosenbergii

IF 3.2 2区农林科学 Q1 FISHERIES

Aquaculture Reports Pub Date : 2024-10-23 DOI:10.1016/j.aqrep.2024.102443

Jie Xu , Kangyu Deng , Enhui Chang , Xin Zhang , Yu Fu , Haoyue Guo , Yuheng Wu , Anran Wang , Deng Deng , Shuyan Miao

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Abstract

A 73-day feeding trial was conducted to determine the effects of the freshness of poultry by-product meal on the growth performance, immune response and hepatopancreatic health of giant freshwater prawn, Macrobrachium rosenbergii. Three semi-purified diets were formulated containing 2.5 % poultry by-product meal with different TVB-N value, designated as L group (untreated poultry by-product meal, TVB-N 10 mg/100 g, i.e., dietary TVB-N 55 mg/100 g), M group (TVB-N 300 mg/100 g, i.e., dietary TVB-N 60 mg/100 g), and H group (TVB-N 450 mg/100 g, i.e., dietary TVB-N 68 mg/100 g), and fed to three groups of prawns (initial weight: 0.82 ± 0.01 g), respectively. Results showed that the weight gain rate (WGR) and specific growth rate (SGR) of prawns significantly decreased with the TVB-N value increased (P < 0.05). The survival rate (SR) and hepatosomatic index (HSI) of prawns in group M and group H were significantly decreased (P < 0.05), while the feed conversion ratio (FCR) was significantly increased (P < 0.05). In addition, the lipase (LPS) and α-amylase (α-AMS) activity of prawns in group L was significantly higher than that in group H (P < 0.05). With the poultry by-product meal TVB-N value increased, the activity of total superoxide dismutase (T-SOD) and glutathione S-transferase (GST) was significantly decreased. RT-qPCR results showed that the expression of bok in group H was significantly higher than that in group L and group M (P < 0.05), the expressions of caspase3, caspase9, bax, and nf-κb in group H were significantly higher than that in group L (P < 0.05). High temperature stress and ammonia nitrogen stress significantly decreased the cumulative survival rate of prawns in group M and group H. Conclusively, it is necessary to guarantee the freshness of the ingredients in prawn formulated diets, and the TVB-N value of diets is recommended not to exceed 60 mg/100 g.

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家禽副产品粉的新鲜度对鲫鱼生长性能、免疫反应和肝胰腺健康的影响

为了确定家禽副产品粉的新鲜度对大宗淡水对虾（Macrobrachium rosenbergii）的生长性能、免疫反应和肝胰腺健康的影响，我们进行了一项为期 73 天的饲养试验。配制了三种含有 2.5 % 不同 TVB-N 值家禽副产品粉的半精制日粮，分别为 L 组（未经处理的家禽副产品粉，TVB-N 10 mg/100 g，即：日粮 TVB-N 55 mg/100 g）和 L 组（未经处理的家禽副产品粉，TVB-N 10 mg/100 g，即：日粮 TVB-N 55 mg/100 g）、分别饲喂三组对虾（初始体重：0.82 ± 0.01 克）。结果表明，随着 TVB-N 值的增加，对虾的增重率（WGR）和特定生长率（SGR）明显下降（P < 0.05）。M组和H组对虾的存活率（SR）和肝功能指数（HSI）明显降低（P < 0.05），而饲料转化率（FCR）明显提高（P < 0.05）。此外，L 组对虾的脂肪酶（LPS）和α-淀粉酶（α-AMS）活性明显高于 H 组（P < 0.05）。随着家禽副产品粉 TVB-N 值的增加，总超氧化物歧化酶（T-SOD）和谷胱甘肽 S 转移酶（GST）的活性明显降低。RT-qPCR 结果显示，H 组 bok 的表达量明显高于 L 组和 M 组（P < 0.05），H 组 caspase3、caspase9、bax 和 nf-κb 的表达量明显高于 L 组（P < 0.05）。高温胁迫和氨氮胁迫明显降低了 M 组和 H 组对对虾的累积存活率。因此，对对虾配方日粮的原料新鲜度必须保证，建议日粮的 TVB-N 值不超过 60 mg/100 g。

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来源期刊

Aquaculture Reports Agricultural and Biological Sciences-Animal Science and Zoology

CiteScore

5.90

自引率

8.10%

发文量

469

审稿时长

77 days

期刊介绍： Aquaculture Reports will publish original research papers and reviews documenting outstanding science with a regional context and focus, answering the need for high quality information on novel species, systems and regions in emerging areas of aquaculture research and development, such as integrated multi-trophic aquaculture, urban aquaculture, ornamental, unfed aquaculture, offshore aquaculture and others. Papers having industry research as priority and encompassing product development research or current industry practice are encouraged.