Feed Science and Technology

Effects of Manganese on Serum Biochemical Indexes, Tissue Manganese Deposition, Antioxidant Ability and Tibia Development of Wulong Geese Aged from 5 to 16 Weeks

  • ZHANG Xuejun ,
  • WANG Baowei ,
  • GE Wenhua ,
  • ZHANG Ming ,
  • YUE Bin ,
  • SHI Xueping ,
  • WANG Xin ,
  • XU Chenchen
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  • Institute of High Quality Waterfowl, Qingdao Agricultural University, Qingdao 266109, China

Received date: 2013-12-05

  Online published: 2014-05-05

Abstract

This experiment was conducted to study the effects of manganese on serum biochemical indexes, tissue manganese deposition, antioxidant ability and tibia development of Wulong geese aged from 5 to 16 weeks, and to find the appropriate supplemental level of manganese in Wulong geese diets. A total of 360 five-week-old Wulong geese with similar average body weight were randomly divided into 6 groups with 6 replicates per group and 10 geese per replicate (half male and half female). Geese in the groups were fed the basal diet (manganese content was 20.00 mg/kg) supplemented with 0 (group Ⅰ), 30 (group Ⅱ), 60 (group Ⅲ), 90 (group Ⅳ), 120 (group Ⅴ) and 150 mg/kg (group Ⅵ) manganese, respectively. The experiment lasted for 12 weeks. The results showed as follows: 1) there were no significant effects on alkaline phosphatase activity, triglyceride and total cholesterol contents in serum among all groups (P>0.05). 2) The serum, heart and liver manganese deposition in groups Ⅳ and Ⅴ was significantly higher than that in group Ⅰ (P<0.01), and the pancreas manganese deposition in groups Ⅳ and Ⅴ was significantly higher than that in group Ⅰ (P<0.05). 3) The total antioxidant capacity and glutathione peroxides activity in groups Ⅳ and Ⅴ were significantly higher than those in group Ⅰ (P<0.05 or P<0.01), while the malondialdehyde content was significantly lower than that in group Ⅰ (P<0.05). 4) The bone strength, bone weight and the contents of ash, calcium, phosphorus and manganese in groups Ⅳ and Ⅴ were significantly higher than those in group Ⅰ (P<0.05 or P<0.01). In conclusion, dietary manganese at appropriate supplemental level can improve tissue deposition, antioxidant ability, and promote the tibia development of Wulong geese aged from 5 to 16 weeks, and the optimal supplemental level of manganese is 90 to 120 mg/kg.

Cite this article

ZHANG Xuejun , WANG Baowei , GE Wenhua , ZHANG Ming , YUE Bin , SHI Xueping , WANG Xin , XU Chenchen . Effects of Manganese on Serum Biochemical Indexes, Tissue Manganese Deposition, Antioxidant Ability and Tibia Development of Wulong Geese Aged from 5 to 16 Weeks[J]. Chinese Journal of Animal Nutrition, 2014 , 26(5) : 1287 -1293 . DOI: 10.3969/j.issn.1006-267x.2014.05.020

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