Brood sex ratio in the Yellow-bellied Prinia (Prinia flaviventris)

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2017
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Abstract
Abstract Background The adjustment of sex ratios in birds can occur at the egg and nestling stages. Previous studies showed that the sex ratio was affected by environmental factors and parental condition; it may result in seasonal and ecosystem differences. Methods In this study, the brood sex ratio of the Yellow-bellied Prinia (Prinia flaviventris) in the Nonggang area, Guangxi, southwestern China, was investigated during the breeding season from May to June in 2013 using PCR amplification from whole-genome DNA extracted from blood samples. A total of 31 nests of Yellow-bellied Prinia, including 132 brood fledglings and 31 pairs, were sampled. Results The results showed that the brood sex ratio of the Yellow-bellied Prinia was 1:1, and sex ratios of different nests were evenly distributed within the study area. No significant relationship was found between parental quality and nest characteristics with the brood sex ratio. Conclusions The present study indicated that no brood sex ratio bias in the Yellow-bellied Prinia highlighted the complexity of sex ratio adjustment in birds. In spite of our negative results, the lack of an association between brood sex ratio and parental quality and environmental factors in the Yellow-bellied Prinia provides valuable information on the adjustment of sex ratios in birds.
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ding2017broodavian Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Ding, Zhifeng;Ji, Fang;Huang, Qiuli;Wang, Longwu;Jiang, Aiwu;Zhang, Chunlan;Feng, Yongjun;Tian, Yuan;Hu, Huijian;Liang, Wei;
Journal avian research
Year 2017
DOI
DOI not found
URL
http://link.springer.com/article/10.1186/s40657-017-0074-5
Keywords
Zoology Biology (General) Medicine (General) Medicine environmental sciences nutrition. foods and food supply engineering machinery, tools, and implements technological innovations. automation

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