Molecular Nutrition

Effects of Dietary Different Selenium Source and Supplemental Level of Broiler Breeders on Growth Performance, Meat Quality, Seleniun Retention and Antioxidant Function of Offspring Broilers

  • XIAO Xue ,
  • LI Kaixuan ,
  • YUAN Dong ,
  • ZHAN Xiuan
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  • College of Animal Science, Zhejiang University, Hangzhou 310058, China

Received date: 2016-06-13

  Online published: 2016-12-17

Abstract

This study was conducted to investigate the effects of dietary different selenium source and supplemental level of broiler breeders on growth performance, meat quality, seleniun retention and antioxidant function of offspring broilers. A total of 540 healthy Lingnan yellow broiler breeders (48-week-old) were randomly assigned to 6 groups with 3 replicates per group and 30 birds per replicate. A 3×2 completely random design was employed in this trail, including 3 sources[sodium selenite (SS), selenium-enriched yeast (SY) and selenomethionine (SM)] and 2 levels (0.15 and 0.30 mg/kg) of Se. The feeding experiment lasted for 8 weeks after 4 weeks of pre-test. The results showed as follows:1) compared with SS group, SM group significant reduced feed to gain ratio of offspring broilers aged from 1 to 21 days of age (P<0.05); SM and SY groups significant improved the content of seleniun in liver, kidney and muscle and kidney catalase (CAT) activity of offspring broilers at 1 day of age (P<0.05), and significant reduced liver malondialdehyde (MDA) content (P<0.05). Compared with SY group, SM group significant increased the breast muscle 16 h pH and the content of seleniun in kidney and muscle of offspring broilers (P<0.05). 2) The content of selenium in liver, kidney and muscle in 0.30 mg/kg group was significantly higher than that in 0.15 mg/kg group (P<0.05). Compared with 0.30 mg/kg group, 0.15 mg/kg group significant increased the breast muscle 8 h Hunter a value and pH of offspring broilers (P<0.05), and significant reduced the breast muscle drip loss at 24 and 48 h of offspring broilers (P<0.05), and significant increased the liver glutathione peroxidase activity, total superoxide dismutase (T-SOD) activity and total antioxidation capability (T-AOC), and kidney T-SOD activity, CAT activity and T-AOC of offspring broilers at 1 day of age (P<0.05), and significant reduced the kidney MDA content of offspring broilers at 1 day of age (P<0.05). The results suggest that under the conditions of this experiment, broiler breeders diet supplemented with 0.15 mg/kg SM works the best.

Cite this article

XIAO Xue , LI Kaixuan , YUAN Dong , ZHAN Xiuan . Effects of Dietary Different Selenium Source and Supplemental Level of Broiler Breeders on Growth Performance, Meat Quality, Seleniun Retention and Antioxidant Function of Offspring Broilers[J]. Chinese Journal of Animal Nutrition, 2016 , 28(12) : 3792 -3802 . DOI: 10.3969/j.issn.1006-267x.2016.12.011

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