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首页> 外文期刊>Czech Journal of Animal Science >Efect of dietary protein: fat ratios on metabolism, body composition andgrowth of juvenile pikeperch, Stizostedion lucioperca (L.)
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Efect of dietary protein: fat ratios on metabolism, body composition andgrowth of juvenile pikeperch, Stizostedion lucioperca (L.)

机译：日粮蛋白质：脂肪比例对鲈鱼鲈鱼新陈代谢，身体成分和生长的影响

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摘要

The effects of diet composition (commercial trout feeds: 42.2-52.5% protein, and 14.0-22.0% fat) on growth rate, oxygen consumption, ammonia excretion and body composition were examined in juvenile pikeperch (initial total length 16.5 cm, and body weight 42.5 g) reared in a water recirculation system for 28 days from day 128 to 156 posthatch. There were no significant differences in fish growth, condition, ammonia excretion (AE) and ammonia quotient (AQ) between the experimental groups (P > 0.05). Mean oxygen consumption (OC) was within the range 195.50-211.14 mg O-2/kg/h, and the differences between the groups were statistically significant (P < 0.05). Dietary protein concentration had no significant effect on the protein concentration of the fish, but dietary fat concentration had a significant influence on the fat concentrations in the fish (P < 0.05), which ranged from 6.6 to 8.5% of pikeperch body wet-weight.
机译：在幼鱼（初始总长16.5厘米，体重）中检查了日粮组成（商业鳟鱼饲料：42.2-52.5％的蛋白质和14.0-22.0％的脂肪）对生长速度，耗氧量，氨气排泄和身体组成的影响。从孵化后第128天到156天，将42.5 g）在水循环系统中饲养28天。实验组之间鱼的生长，状况，氨排泄（AE）和氨商（AQ）均无显着差异（P> 0.05）。平均耗氧量（OC）在195.50-211.14 mg O-2 / kg / h范围内，两组之间的差异具有统计学意义（P <0.05）。日粮蛋白质浓度对鱼的蛋白质浓度没有显着影响，但日粮脂肪浓度对鱼中的脂肪浓度有显着影响（P <0.05），占鲈鱼体湿重的6.6％至8.5％。

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