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李会涛, 麦康森, 艾庆辉, 张璐, 张春晓, 张文兵, 刘付志国. 大黄鱼对几种饲料蛋白原料消化率的研究[J]. 水生生物学报, 2007, 31(3): 370-376.
引用本文: 李会涛, 麦康森, 艾庆辉, 张璐, 张春晓, 张文兵, 刘付志国. 大黄鱼对几种饲料蛋白原料消化率的研究[J]. 水生生物学报, 2007, 31(3): 370-376.
LI Hui-Tao, MAI Kang-Sen, AI Qing-Hui, ZHANG Lu, ZHANG Chun-Xiao, ZHANG Wen-Bing, LIUFU Zhi-Guo. APPARENT DIGESTIBILITY OF SELECTED PROTEIN INGREDIENTS FOR LARGER YELLOW CROAKER PSEUDOSCIAENA CROCEA[J]. ACTA HYDROBIOLOGICA SINICA, 2007, 31(3): 370-376.
Citation: LI Hui-Tao, MAI Kang-Sen, AI Qing-Hui, ZHANG Lu, ZHANG Chun-Xiao, ZHANG Wen-Bing, LIUFU Zhi-Guo. APPARENT DIGESTIBILITY OF SELECTED PROTEIN INGREDIENTS FOR LARGER YELLOW CROAKER PSEUDOSCIAENA CROCEA[J]. ACTA HYDROBIOLOGICA SINICA, 2007, 31(3): 370-376.

大黄鱼对几种饲料蛋白原料消化率的研究

APPARENT DIGESTIBILITY OF SELECTED PROTEIN INGREDIENTS FOR LARGER YELLOW CROAKER PSEUDOSCIAENA CROCEA

  • 摘要: 以白鱼粉为主要蛋白源制成参考饲料,以0.1%的Cr2O3为外源性指示剂,按参考饲料和实验原料70%∶30%的比例配制成实验饲料,测定了大黄鱼(Pseudosciaena crocea)对白鱼粉、红鱼粉、肉骨粉、豆粕、花生粕、菜籽粕和棉籽粕的表观消化率。实验大黄鱼(平均初始体重15.0±1.6g)养殖于海水浮式网箱(1.5m×1.5m×2.0m)中,分别以各实验饲料投喂实验鱼5周,然后采用挤压法收集粪便。实验结果表明各原料表观干物质消化率在43.6%至70.0%之间,能量消化率在42.9%到82.6%的范围内。实验原料的蛋白质表观消化率在70.7%到92.4%之间,其中白鱼粉和红鱼粉的蛋白消化率最高(分别为92.4%和89.3%),而棉籽粕则最低(70.7%)。脂肪的表观消化率在61.3%到90.5%之间,其中棉籽粕最低(61.3%)。磷的表观消化率相对较低,仅白鱼粉和红鱼粉在53.2%以上,其余皆低于37.5%。总之,大黄鱼对这几种原料的表观消化率存在较大差异,但蛋白消化率均较高,因此,可作为大黄鱼的饲料蛋白源在实际饲料配制中使用。

     

    Abstract: Apparent digestibility coefficients of dry matter, crude protein, crude lipid, energy and phosphorous in white fish 3 期李会涛等:大黄鱼对几种饲料蛋白原料消化率的研究 375 meal, brown fish meal, meat and bone meal, soybean meal, peanut meal, rapeseed meal and cottonseed meal were determined respectively for large yellow croaker.Apparent digestibility coefficients were determined by using a reference diet with 011% chromic oxide indicator and test diets that contained 70% reference diet, by weight, and 30% of the test feed ingredient being evaluated.The fish averaging 1510 ±116g were reared in floating sea cages.Feces samples were manually stripped from anes2 thetized fish to prevent contacting with water.Apparent digestibility coefficients of dry matter ranging from 4316% to 7010%, and the values for rapeseed and cottonseed meal were lower (5016% and 4316%) than those for other tested feedstuffs.Appar2 ent digestibility coefficients of energy reflected the differences in dry matter digestibility, the higher digestibility coefficients were observed for white fish meal and brown fish meal of 8216% and 8015%, and lower digestibility coefficients were found in rape2 seed meal (6614%) and cottonseed meal (4219%).Apparent digestibility coefficients of crude protein ranged from 7019% to 9214% indicated that these feedstuffs could be efficiently utilized by large yellow croaker.Apparent digestibility coefficients of crude lipid were higher than 7412% except for cottonseed meal (6113%).Apparent digestibility coefficients of phosphorous were low (from 913% for cottonseed meal to 6213% for white fish meal) and showed significant differences among the feed in gredients.These data provide more precise informations concerning nutrient and energy utilization of large yellow croaker for these protein ingredients and will allow ingredient substitutions in practical feed based on the levels of fish nutrients.

     

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