蛋氨酸铬对锦鲤生长、血液生化及肝胰脏部分免疫指标的影响
Effects of Chromium Methionine on Growth, Serum Biochemical Parameters and Partial Immune Indices in the Hepatopancreas of Ornamental Carp
DOI: 10.12677/ojfr.2025.124022, PDF,    科研立项经费支持
作者: 崔 培, 程镇燕, 孙金辉*：天津农学院水产学院，天津；李 楠：天津市水产研究所，天津
关键词: 蛋氨酸铬；锦鲤；生长；血液指标；酶活性；Chromium Methionine； Ornamental Carp； Growth Performance； Blood Indexes； Enzymatic Activity
摘要: 为研究饲料中添加不同水平蛋氨酸铬对锦鲤生长及部分血液、肝胰脏生化指标的影响，选用540尾规格一致(初始体重为23.19 ± 1.80 g)、体质健壮的锦鲤。随机分为6个处理组，每组设置3个重复，每个重复30尾。Cr3+添加量分别为0、0.2、0.4、0.8、1.6 mg/kg和3.2 mg/kg，饲养56 d。结果表明：与0 mg/kg相比，添加不同水平的蛋氨酸铬对锦鲤的增重率、特定生长率、饲料效率以及蛋白质效率均无显著差异(P > 0.05)；铬添加量为0.4~0.8 mg/kg时，试验鱼血清中GLU、TG、TC含量，GPT、GOT活性以及肝胰脏中MDA含量均显著低于0 mg/kg组，而SOD、CAT以及GSH-Px活性显著高于0 mg/kg组(P < 0.05)；肝胰脏中AKP活性仅在0.8 mg/kg组显著低于0 mg/kg (P < 0.05)，与其余试验组间无显著差异(P > 0.05)。综上所述，铬添加量为0.8 mg/kg时，能够提高锦鲤幼鱼非特异性免疫力。
Abstract: A 56-day feeding trial was conducted to study the effects of chromium methionine on growth, some biochemical indices of blood and hepatopancreas in ornamental carp. A total of 540 growing red-white ornamental carps with similar weight (23.19 ± 1.80 g) and heavily built were divided into six groups randomly. The supplemental Cr3+ levels were 0, 0.2, 0.4, 0.8, 1.6, and 3.2 mg/kg, respectively. The results showed that, compared with the 0 mg/kg group, supplementation with different levels of chromium methionine had no significant effects on the weight gain rate, specific growth rate, feed efficiency, or protein efficiency of ornamental carp (P > 0.05). When the chromium supplementation level ranged from 0.4 to 0.8 mg/kg, the serum levels of GLU, TG, and TC, the activities of GPT and GOT, and the hepatopancreas MDA content were significantly lower than those in the 0 mg/kg group (P < 0.05), while the activities of SOD, CAT, and GSH-Px were significantly higher than those in the 0 mg/kg group (P < 0.05). The hepatopancreas AKP activity was significantly lower only in the 0.8 mg/kg group compared with the 0 mg/kg group (P < 0.05), and no significant differences were observed among the other treatment groups (P > 0.05). In conclusion, dietary supplementation with 0.8 mg/kg chromium (as chromium methionine) can enhance the non-specific immunity of juvenile ornamental carp.
文章引用：崔培, 李楠, 程镇燕, 孙金辉. 蛋氨酸铬对锦鲤生长、血液生化及肝胰脏部分免疫指标的影响 [J]. 水产研究, 2025, 12(4): 200-207. https://doi.org/10.12677/ojfr.2025.124022

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