Effects of Copper on Lipid Metabolism, Antioxidant Ability and Immune Organ Indexes of Wulong Geese Aged from 1 to 4 Weeks

WANG Baowei, XU Chenchen, GE Wenhua, ZHANG Ming, YUE Bin, SHI Xueping, ZHANG Xuejun, WANG Xin

doi:10.3969/j.issn.1006-267x.2014.08.010

2014 , Vol. 26 >Issue 8: 2093 - 2100

DOI: https://doi.org/10.3969/j.issn.1006-267x.2014.08.010

Poultry Nutrition

Effects of Copper on Lipid Metabolism, Antioxidant Ability and Immune Organ Indexes of Wulong Geese Aged from 1 to 4 Weeks

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Institute of High Quality Waterfowl, Qingdao Agricultural University, Qingdao 266109, China

Received date: 2014-02-19

Online published: 2014-08-13

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Abstract

This experiment was conducted to study the effects of copper on lipid metabolism, antioxidant ability and immune organ indexes of Wulong geese at the aged of 1 to 4 weeks, and to find the optimum copper level in diets. A total of 360 one-day-old Wulong geese were divided into 6 groups with 6 replicates per group and 10 geese per replicate. Geese in the group Ⅰ (control group) were fed a basal diet (copper content was 6.43 mg/kg), and geese in the experimental groups (groups Ⅱ to Ⅵ) were fed the basal diet supplemented with 15, 30, 60, 120 and 240 mg/kg copper, respectively. The experiment lasted for 4 weeks. The results showed as follows: 1) compared with control group, serum total cholesterol, triglyceride and low density lipoprotein-cholesterol contents in group Ⅲ were significantly decreased (P<0.05), and high density lipoproteins-cholesterol content was significantly increased (P<0.05). 2) Compared with control group, total anti-oxidative capacity, the activities of CuZn superoxide dismutase (CuZn-SOD) and copper-protein (CP) and immune organ indexes in group Ⅱ were significantly improved (P<0.05 or P<0.01). 3) Serum CuZn-SOD and CP activities had significant positive correlation with the immune organ indexex (P<0.05 or P<0.01). In conclusion, adding 15 mg/kg copper in the diet has significant effects on lipid metabolism, antioxidant ability and immune organ indexes of Wulong geese aged from 1 to 4 weeks. It has a correlation among body antioxidant enzyme activity, lipid metabolism and immune organ indexes in some extent.

Key words： copper; geese; lipid metabolism; antioxidant; immune organ indexes

Cite this article

WANG Baowei, XU Chenchen, GE Wenhua, ZHANG Ming, YUE Bin, SHI Xueping, ZHANG Xuejun, WANG Xin . Effects of Copper on Lipid Metabolism, Antioxidant Ability and Immune Organ Indexes of Wulong Geese Aged from 1 to 4 Weeks[J]. Chinese Journal of Animal Nutrition, 2014 , 26(8) : 2093 -2100 . DOI: 10.3969/j.issn.1006-267x.2014.08.010

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