Abstract In this trial, nine diets were formulated to investigate the effects of DL-methionine (DL-Met) and a methionine hydroxy analogue (MHA-Ca) on growth, amino acid profiles and the expression of genes related to taurine and protein synthesis in common carp. The basal diet was prepared without methionine supplementation and the other diets were formulated with 0.1%, 0.2%, 0.3% and 0.4% of DL-Met or MHA-Ca, respectively. After the eight-week feeding trial, fish fed with DL-Met or MHA-Ca supplemented diets had higher growth performance and feed utilization when compared with basal diet and two-way ANOVA showed the growth performance and feed utilization were significantly increased in fish fed DL-Met supplemented diets (P

中文翻译：

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DL-蛋氨酸和蛋氨酸羟基类似物 (MHA-Ca) 对鲤鱼 (Cyprinus carpio) 生长、氨基酸谱以及牛磺酸和蛋白质合成相关基因表达的影响

摘要 在该试验中，配制了 9 种饮食以研究 DL-蛋氨酸 (DL-Met) 和蛋氨酸羟基类似物 (MHA-Ca) 对生长、氨基酸谱以及与牛磺酸和蛋白质合成相关的基因表达的影响。鲤鱼。基础日粮不添加甲硫氨酸，其他日粮分别用 0.1%、0.2%、0.3% 和 0.4% 的 DL-Met 或 MHA-Ca 配制。经过八周的饲喂试验，与基础日粮相比，饲喂 DL-Met 或 MHA-Ca 补充日粮的鱼具有更高的生长性能和饲料利用率，双向方差分析显示饲喂的鱼的生长性能和饲料利用率显着提高DL-Met 补充饮食 (P