Effect of replacing fish meal with meat and bone meal on growth, feed utilization and nitrogen and phosphorus excretion for juvenile Pseudobagrus ussuriensis
文献类型： 外文期刊
第一作者： Tang, B.
作者： Tang, B.;Bu, X.;Lian, X.;Zhang, Y.;Yang, Y.;Muhammad, I.;Zhou, Q.;Liu, H.
作者机构：
关键词： apparent digestibility coefficients; fish meal; growth; meat and bone meal; nitrogen and phosphorus excretion; Pseudobagrus ussuriensis
期刊名称：AQUACULTURE NUTRITION （ 影响因子：3.497； 五年影响因子：3.78 ）
ISSN： 1353-5773
年卷期： 2018 年 24 卷 2 期
页码：
收录情况： SCI
摘要： The effect of replacing fish meal (FM) with meat and bone meal (MBM) in diets for juvenile Pseudobagrus ussuriensis was evaluated in a 90-day feeding trial. Six isonitrogenous (crude protein, 430 g/kg) and isolipidic (crude lipid, 74 g/kg) diets were formulated to contain MBM to replace FM at 0 (S0), 200 (S20), 400 (S40), 600 (S60), 800 (S80) and 1000 g/kg (S100), respectively. The results showed that there was no significant difference in weight gain (WG) among fish fed S0, S20 and S40 diets. However, a significant reduction in WG occurred when 600, 800 and 1000 g/kg FM protein was replaced by MBM (p<.05). Similar trends were observed in specific growth rate and protein efficiency ratio. Apparent digestibility coefficients (ADC) of protein and dry matter of the diets S80 and S100 were significantly lower than those of the other diets. The ADC of phosphorus significantly reduced with the increase in dietary MBM level. Nitrogen and phosphorus excretion increased with the increasing dietary MBM level. Protease, lipase and amylase activities of the diets S80 and S100 were significantly lower than those of the other diets (p<.05). The results of this study showed that the optimum dietary MBM replacement level was 34.3% according to broken-line model based on WG against dietary MBM replacement level.
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