• 以养殖为主,丁为辅

    Huang Sang fish is to culture-based, supplemented by Ding Gui fish.

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  • 因此颡鱼成为国内近年来水产养殖热门品种之一

    Therefore, the catfish has become one of the most popular varieties in aquaculture in recent years.

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  • 试验前期,三个饲料颡鱼前肠淀粉酶活性差异显著

    Amylase activities of yellow catfish in pancrean have no significant differences in three protein content feed groups.

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  • 寄生过程中,罗非成活率高达100%,颡鱼为60%,花鲢仅为30%;

    The survival rate of hosts reached 100 % (tilapia), 60 % (Yellow headed catfish) and 30 % (Bighead carp) respectively.

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  • 本文研究黄颡鱼早期发育阶段摄食消化器官发育特征、食物组成及其选食性。

    The development of feeding organs and digestive tract as well as food selection in different stages are studied.

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  • 结果表明夜行摄食,但投喂频率、投喂量等因素直接影响摄食节律。

    The result showed that the circadian feeding rhythm of juvenile yellow catfish belongs to nocturnal.

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  • 不同温度下摄食强度抵达不可逆点(PNR)时间的变化进行初步研究

    Feeding intensity and point-of-no-return (PNR) of Pelteobogrus fulvidraco larvae at different temperatures were studied under laboratory conditions.

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  • 颡鱼初级精母细胞前期出现联会复合体,同源染色体之间进行同源基因交换标志

    The prophase of primary spermatocyte would appear synaptonemal complex, which should been the symbol that the homologous chromosome carried through the change of homologous gene.

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  • 广布于我国江河湖泊种习见小型经济类,生活水流底层。其头骨共有126块;

    Pelteobagrus Fulvibraco is a species of small economic catfish dis- tributing all over the rivers and lakes of our country.

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  • 实验结果表明饲料维生素E添加量对特定生长率饲料效率的影响显著P>0.05);

    The results showed that no significant difference in specific growth rate(SGR)and feed efficiency(FE)of P. fulvidraco was observed among all vitamin E treatment groups (P>0.05).

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  • 结果可知生肽替代适宜比例(25%、50%)可以促进生长,并提高饲料、蛋白质效率,降低饲料成本

    The results indicated that proper substitution levels (25%, 50%) can promote growth of juvenile yellow catfish, improve fe and PE and thus reduce the feed cost.

    youdao

  • 结果可知生肽替代适宜比例(25%、50%)可以促进生长,并提高饲料、蛋白质效率,降低饲料成本

    The results indicated that proper substitution levels (25%, 50%) can promote growth of juvenile yellow catfish, improve fe and PE and thus reduce the feed cost.

    youdao

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