ACTA VETERINARIA ET ZOOTECHNICA SINICA ›› 2012, Vol. 43 ›› Issue (6): 849-856.doi:

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Association of Polymorphisms of VLDLR Gene with Yolk Traits in Chicken

CAO Ding-guo1,2, ZHOU Yan1,2, LEI Qiu-xia1,2, HAN Hai-xia1,2, LI Fu-wei1,2, LI Gui-ming1,2, SHENG Qian1,3, WANG Cun-fang3, LU Yan1,2*   

  1. 1. Institute of Poultry Science, Academy of Agricultural Sciences of Shandong Province, Jinan 250023, China; 2. Poultry Breeding Engineering Technology Center of Shandong Province，Jinan 250023, China; 3. School of Food and Bioengineering, Shandong Polytechnic University, Jinan 250353, China
  • Received:2011-10-11 Revised:1900-01-01 Online:2012-06-25 Published:2012-06-25
  • Contact: LU Yan

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Abstract:

The SNPs of VLDLR gene in Wenshang Luhua chicken, Jining Bairi chicken and Laiwu Black chicken were detected by PCR-RFLP method. And the correlation between the polymorphism loci and the yolk traits were analyzed. As a result, a G/A mutation at nt 8 467 in VLDLR-exon6 and an A/G mutation at nt 13 876 in VLDLR-intron17 were identified. The least square analysis showed that the V8467 was significantly associated with yolk weight (P<0.01) and yolk height (P<0.05); the V13876 was significantly associated with yolk weight (P<0.01), yolk rate (P<0.05) and yolk height (P<0.05); the diplotype was significantly associated with yolk weight (P<0.01), yolk rate (P<0.01) and yolk height (P<0.05). These results indicated that V8467 and V13876 loci of VLDLR gene would be useful candidate markers in selection program on yolk traits.

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