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Effects of Different Proportions of Organic and Inorganic Trace Minerals on Growth and Biochemical Paramenters of Tissues in Broiler Chickens

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  • 1. College of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China;
    2. Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China

Received date: 2014-12-11

  Online published: 2015-05-13

Abstract

This experiment was conducted to study the effects of different proportions of organic and inorganic trace minerals on growth performance, and blood biochemical paramenters in broiler chickens. In addition, contents of the trace elements in tissues and serum, and the tibia performance paramenters were investigated after supplementation of organic and inorganic minerals in broiler chickens. A total of 400 one-day-old AA broiler chickens were randomly assigned to 5 groups with 8 replicates per group, and 10 chickens per replicate. The iron (Fe), copper (Cu), manganese (Mn), zinc (Zn) of the basal diet was provided with analytical grade iron vitriol, anhydrous cupric sulfate, manganese sulfate monohydrate, and zinc vitriol, respectively. The contents of those trace minerals were Fe 100 mg/kg, Cu 20 mg/kg, Mn 120 mg/kg, Zn 120 mg/kg in the basal diet, respectively. There were five groups: group I was fed with inorganic forms of Fe, Cu, Mn and Zn, and groups Ⅱ to Ⅴ were fed with different proportions (with 30%, 50%, 70% and 100% replacements of the inorganic trace minerals in the basal diet, respectively) of organic trace minerals. The experiment was lasted for 42 days. The experimental results showed as follows: 1) feed to gain ratio (F/G) of broiler chickens fed with lower proportions of organic trace minerals (groups Ⅱ and Ⅲ) was significantly lower than that of control group during the periods of 4 to 6 weeks and 1 to 6 week (P<0.05). 2) Tissue deposition results showed that group Ⅲ showed highest liver Cu and Mn contents, and activities of superoxide dismutase (SOD) than the other groups. 3) Group Ⅳ showed significantly increased iron content of serum (P<0.05). To sum up, replacement of 50% inorganic trace minerals with organic trace minerals in the basal diet had relatively better effects on growth performance, mineral deposit and SOD activities of broiler chickens.

Cite this article

XU Caiyu, XU Caixia, LIU Guohua, SHI Zhaoguo . Effects of Different Proportions of Organic and Inorganic Trace Minerals on Growth and Biochemical Paramenters of Tissues in Broiler Chickens[J]. Chinese Journal of Animal Nutrition, 2015 , 27(5) : 1549 -1558 . DOI: 10.3969/j.issn.1006-267x.2015.05.027

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