Effects of Copper on Growth Performance, Slaughter Performance, Serum Oxidase Activity and Hormone Content of Wulong Geese Aged 1 to 4 Weeks

WANG Baowei; XU Chenchen; GE Wenhua; ZHANG Ming; YUE Bin; ZHANG Kailei

doi:10.3969/j.issn.1006-267x.2013.12.016

2013 , Vol. 25 >Issue 12: 2897 - 2905

DOI: https://doi.org/10.3969/j.issn.1006-267x.2013.12.016

Poultry Nutrition

Effects of Copper on Growth Performance, Slaughter Performance, Serum Oxidase Activity and Hormone Content of Wulong Geese Aged 1 to 4 Weeks

WANG Baowei ,
XU Chenchen ,
GE Wenhua ,
ZHANG Ming ,
YUE Bin ,
ZHANG Kailei

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

Received date: 2013-07-01

Online published: 2013-11-19

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Abstract

This experiment was conducted to study the effects of copper on growth performance, slaughter performance, serum oxidase activity and hormone content of Wulong geese aged 1 to 4 weeks, and to find the appropriate supplemental level of the copper. A total of 360 one-day-old Wulong geese were randomly divided into 6 groups with 6 replicates per group and 10 geese per replicate (half male and half female). Geese in the group Ⅰ (control group) were fed a basal diet, 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) using unrelated comparative analysis method, compared with the control group, when the dietary copper level was 13.73 mg/kg, the average daily gain reached the highest; when the dietary copper level was 9.51 mg/kg, the feed to gain reached the lowest. 2) Compared with the control group, the serum total antioxidative capacity in group Ⅱ was significantly increased (P<0.05), and the activities of Cu,Zn superoxide dismutase and ceruloplasmin in serum were significantly increased (P<0.01). 3) Growth hormone, insulin, free iodine thyroid three original acid and free thyroxine had significant correlation with the growth performance and serum oxidase(P<0.05 or P<0.01). In conclusion, 1) copper has significant influence on the growth performance and slaughter performance of Wulong geese aged 1 to 4 weeks, and the optimal supplemental level of copper is 9.51 to 13.78 mg/kg. 2) Dietary copper supplemental level had significant correlation with the body serum enzyme and hormone. 3) The suggested dietary copper supplemental level is less than 15 mg/kg of Wulong geese aged 1 to 4 weeks.

Key words： copper; geese; growth performance; slaughter performance; serum oxidase; hormone

Cite this article

WANG Baowei , XU Chenchen , GE Wenhua , ZHANG Ming , YUE Bin , ZHANG Kailei . Effects of Copper on Growth Performance, Slaughter Performance, Serum Oxidase Activity and Hormone Content of Wulong Geese Aged 1 to 4 Weeks[J]. Chinese Journal of Animal Nutrition, 2013 , 25(12) : 2897 -2905 . DOI: 10.3969/j.issn.1006-267x.2013.12.016

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