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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

作者： Li, Junda 1 ; Tian, Guangjie 1 ; Wang, Xingtao 1 ; Tang, Hongyu 1 ; Liu, Yuyang 1 ; Guo, Hongran 1 ; Wang, Chunxin 2 ; Chen, Yulin 1 ; Yang, Yuxin 1 ;

作者机构： 1.Northwest A&F Univ, Coll Anim Sci & Technol, Yangling, Xianyang, Peoples R China

2.Jilin Acad Agr Sci, Gongzhuling, Peoples R China

3.Northwest A&F Univ, Coll Anim Sci & Technol, Yangling, Xianyang 712100, Shaanxi, Peoples R China

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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