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Reproduction and physiology

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  1. Research

    Sexual maturation in hens is not associated with increases in serum leptin and the expression of leptin receptor mRNA in hypothalamus

    In mammals, leptin is an attractive candidate for mediating the metabolic signal and the reproductive function via the specific receptor in hypothalamus. However, till now, the role of leptin on reproduction i...

    Yingdong Ni, Jinfang Lv, Shaoqing Wang and Ruqian Zhao

    Journal of Animal Science and Biotechnology 2013 4:24

    Published on: 26 June 2013

  2. Research

    Efficient production of chimeric mice from embryonic stem cells injected into 4- to 8-cell and blastocyst embryos

    Production of chimeric mice is a useful tool for the elucidation of gene function. After successful isolation of embryonic stem (ES) cell lines, there are many methods for producing chimeras, including co-cult...

    Minhua Hu, Hengxi Wei, Jingfeng Zhang, Yinshan Bai, Fenglei Gao, Li Li and Shouquan Zhang

    Journal of Animal Science and Biotechnology 2013 4:12

    Published on: 21 March 2013

  3. Research

    Changes of hepatic biochemical parameters and proteomics in broilers with cold-induced ascites

    Ascites syndrome is still a problem for chicken industry in various parts of the world. Despite the intensive investigations of this syndrome for many years, its pathogenesis remains unclear. The objective of ...

    Yongwei Wang, Yuming Guo, Dong Ning, Yunzhi Peng, Hong Cai, Jianzhuang Tan, Ying Yang and Dan Liu

    Journal of Animal Science and Biotechnology 2012 3:41

    Published on: 11 December 2012

  4. Research

    Metabolism of energy substrates of in vitro and in vivo derived embryos from ewes synchronized and super ovulated with norgestomet and porcine follicle stimulating hormone

    The synchronization and ovulatory responses of Sangsari cross bred ewes and metabolism of energy substrates in 8-cell stage embryos to hatched blastocysts stage produced in vitro or in vivo were investigated. Ewe...

    Ahmad Azizi-Moghadam

    Journal of Animal Science and Biotechnology 2012 3:37

    Published on: 17 November 2012

  5. Research

    Early-age feed restriction affects viability and gene expression of satellite cells isolated from the gastrocnemius muscle of broiler chicks

    Muscle growth depends on the fusion of proliferate satellite cells to existing myofibers. We reported previously that 0–14 day intermittent feeding led to persistent retardation in myofiber hypertrophy. Howeve...

    Yue Li, Xiaojing Yang, Yingdong Ni, Eddy Decuypere, Johan Buyse, Nadia Everaert, Roland Grossmann and Ruqian Zhao

    Journal of Animal Science and Biotechnology 2012 3:33

    Published on: 6 November 2012

  6. Research

    Identification of an intestine-specific promoter and inducible expression of bacterial α-galactosidase in mammalian cells by a lac operon system

    α-galactosidase has been widely used in animal husbandry to reduce anti-nutritional factors (such as α-galactoside) in feed. Intestine-specific and substrate inducible expression of α-galactosidase would be hi...

    Yafeng Zhai, Gang Shu, Xiaotong Zhu, Zhiqi Zhang, Xiajing Lin, Songbo Wang, Lina Wang, Yongliang Zhang and Qingyan Jiang

    Journal of Animal Science and Biotechnology 2012 3:32

    Published on: 30 October 2012

  7. Research

    In ovo leptin administration affects hepatic lipid metabolism and microRNA expression in newly hatched broiler chickens

    A leptin-like immunoreactive substance has been found in chicken eggs and has been implicated in serving as a maternal signal to program offspring growth and metabolism. In the present study, we investigated t...

    Yan Hu, Rui Zhang, Yanhong Zhang, Jing Li, Roland Grossmann and Ruqian Zhao

    Journal of Animal Science and Biotechnology 2012 3:16

    Published on: 1 June 2012

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