Blood samples were taken from birds,from a commercial line of broiler chicken,being in a fully fed state and in fasting state for 2,4,6 hours respectively at 49 d of age and plasma very low density lipoprotein(VLDL) c...Blood samples were taken from birds,from a commercial line of broiler chicken,being in a fully fed state and in fasting state for 2,4,6 hours respectively at 49 d of age and plasma very low density lipoprotein(VLDL) concentration was measured with turbidimetric assay.The experiment results showed that the variation coefficients of plasma VLDL concentration mersured at four different times were 58.11%,74.39%,69.70%,47.83%,respectively for male broilers,and 41.82%,60.87%.59.26%,50.0%for female broilers respectively.Plasma VLDL concentration decreased with the fasting time.There was a significant positive phenotypic correlation between abdominal fat weight,percentage of abdominal fat and plasma VLDL concentration for the birds being in fully feeding state,and the correlation decreased or no longer existed for the bired being in fasting state.The conclusion was that for practically application of plasma VLDL content selected in broiler chicken breeding,blood samples should be collected from birds being in feeding state.展开更多
文章通过分析酰基辅酶A氧化酶(Acyl-Coenzyme A Oxidases 3,ACOX3)基因单核苷酸多态性与鸡脂肪性状的关系,旨在了解该基因对鸡体脂沉积的影响。以东北农业大学高、低脂双向选择品系肉鸡为材料,采用PCR-RFLP方法检测ACOX3基因的多态性,...文章通过分析酰基辅酶A氧化酶(Acyl-Coenzyme A Oxidases 3,ACOX3)基因单核苷酸多态性与鸡脂肪性状的关系,旨在了解该基因对鸡体脂沉积的影响。以东北农业大学高、低脂双向选择品系肉鸡为材料,采用PCR-RFLP方法检测ACOX3基因的多态性,并分析该基因多态性与鸡脂肪性状的关系。结果表明,ACOX3基因c.-228C>T突变位点在肉鸡高、低脂双向选择品系第10、11世代混合群体中,对腹脂重、腹脂率和血浆VLDL浓度有显著影响(P<0.05);c.-442A>C突变位点在第8-11世代混合群体低脂系中,对腹脂重有显著影响(P<0.05);c.27035A>G突变位点在第10、11世代混合群体低脂系中,对血浆VLDL浓度有显著影响(P<0.05);c.16802C>T突变位点在第11世代低脂系中,对腹脂重、腹脂率有显著影响(P<0.05)。结果显示,ACOX3基因对鸡的体脂沉积有重要影响。ACOX3基因c.-228C>T突变位点对鸡脂肪性状有显著影响,可以尝试作为遗传标记对脂肪性状进行分子标记辅助选择。展开更多
文摘Blood samples were taken from birds,from a commercial line of broiler chicken,being in a fully fed state and in fasting state for 2,4,6 hours respectively at 49 d of age and plasma very low density lipoprotein(VLDL) concentration was measured with turbidimetric assay.The experiment results showed that the variation coefficients of plasma VLDL concentration mersured at four different times were 58.11%,74.39%,69.70%,47.83%,respectively for male broilers,and 41.82%,60.87%.59.26%,50.0%for female broilers respectively.Plasma VLDL concentration decreased with the fasting time.There was a significant positive phenotypic correlation between abdominal fat weight,percentage of abdominal fat and plasma VLDL concentration for the birds being in fully feeding state,and the correlation decreased or no longer existed for the bired being in fasting state.The conclusion was that for practically application of plasma VLDL content selected in broiler chicken breeding,blood samples should be collected from birds being in feeding state.
文摘文章通过分析酰基辅酶A氧化酶(Acyl-Coenzyme A Oxidases 3,ACOX3)基因单核苷酸多态性与鸡脂肪性状的关系,旨在了解该基因对鸡体脂沉积的影响。以东北农业大学高、低脂双向选择品系肉鸡为材料,采用PCR-RFLP方法检测ACOX3基因的多态性,并分析该基因多态性与鸡脂肪性状的关系。结果表明,ACOX3基因c.-228C>T突变位点在肉鸡高、低脂双向选择品系第10、11世代混合群体中,对腹脂重、腹脂率和血浆VLDL浓度有显著影响(P<0.05);c.-442A>C突变位点在第8-11世代混合群体低脂系中,对腹脂重有显著影响(P<0.05);c.27035A>G突变位点在第10、11世代混合群体低脂系中,对血浆VLDL浓度有显著影响(P<0.05);c.16802C>T突变位点在第11世代低脂系中,对腹脂重、腹脂率有显著影响(P<0.05)。结果显示,ACOX3基因对鸡的体脂沉积有重要影响。ACOX3基因c.-228C>T突变位点对鸡脂肪性状有显著影响,可以尝试作为遗传标记对脂肪性状进行分子标记辅助选择。
