Effects of short photoperiod on cashmere growth, hormone concentrations and hair follicle development-related gene expression in cashmere goats
文献类型： 外文期刊
第一作者： Li, Junda
作者： Li, Junda;Tian, Guangjie;Wang, Xingtao;Tang, Hongyu;Liu, Yuyang;Guo, Hongran;Chen, Yulin;Yang, Yuxin;Wang, Chunxin;Yang, Yuxin
作者机构：
关键词： Cashmere goat; photoperiod; hair follicles; hormone; gene
期刊名称：JOURNAL OF APPLIED ANIMAL RESEARCH （ 影响因子：1.4； 五年影响因子：2.0 ）
ISSN： 0971-2119
年卷期： 2023 年 51 卷 1 期
页码：
收录情况： SCI
摘要： Shanbei White Cashmere goat is a typical goat species, the growth of cashmere is affected by photoperiod. To further investigate the effects of short photoperiod treatment on cashmere growth, hormone concentrations and hair follicle development-related gene expression in cashmere goats, twenty Shannbei white cashmere goats were selected and randomly divided into long-day photoperiod treatment group and short-day photoperiod treatment group. The results revealed the cashmere on short-day photoperiod treatment began to develop earlier, and its length and growth rate increased dramatically (P < 0.05). The short-day photoperiod treatment increased the concentration of serum Melatonin, reduced the concentration of serum prolactin, decreased the expression of estrogen receptor alpha and raised the expression of hair follicle development-related genes [catenin beta-1, Bone morphogenetic protein 2, Fibroblast growth factor 5 and platelet-derived growth factor subunit A] (P < 0.05), thereby accelerating the reconstruction of the secondary follicle, increasing the density of the secondary follicle (P < 0.05) and triggering the growth of cashmere goats. The present study provides new insights into the dynamic changes in cashmere growth, hormone concentrations and hair follicle development-related gene expression in cashmere goats under short photoperiod, and is expected to be useful for future studies on intensive feeding research.
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