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Changes in Localization of T Cell Subsets in the Ovarian Follicles during Follicular Growth and Ovulation in Hens
follicular growth laying hens ovarian follicles T cell subsets
2009/7/31
Changes in the localization of helper and killer T cells (CD4+ and CD8+ T cells, respectively) in hen ovarian follicles with follicular growth and ovulation were examined in this experiment. White fol...
Endocrine Control of Postnatal Growth in Poultry
somatotrophic axis thyrotrophic axis gonadal steroids leptin postnatal development
2009/7/31
This paper provides an overview on the role of several endocrine factors in the regulation of the somatic growth (skeletal muscle and bone development) and body composition in meat-type poultry. The h...
Effect of Exposure to Various Durations of Light on Serum Insulin-Like Growth Factor-I in Prepubertal Holstein Heifers
Photoperiod heifers growth factor prepubertal
2009/1/19
Our objective was to determine if prolonged exposure to various durations of light (i.e., photoperiod) would affect serum IGF-I concentrations in heifers. Thus, 16 Holstein heifers, 2 to 4 mo of age,...