陕北白绒山羊皮肤毛囊形态结构及其特征参数与产绒性状的相关性分析

doi:10.16431/j.cnki.1671-7236.2018.10.018

摘要/Abstract

摘要：

试验旨在研究陕北白绒山羊皮肤毛囊结构及其特征参数与产绒性状间的相关性，为绒山羊绒毛生长的分子调控机理研究及皮肤毛囊性状在绒山羊选育中的应用提供参考。通过制作陕北白绒山羊皮肤组织切片，用显微照相系统观察皮肤毛囊形态特征，统计分析皮肤和毛囊的特征参数，并用SPSS 17.0软件分析特征参数与产绒性状各指标的相关性。结果显示，陕北白绒山羊毛囊成群分布且以三元型毛囊群为主，占总毛囊群的85.80%；产绒量与体重、绒长度、S/P值、次级毛球宽度均呈极显著正相关（P<0.01），与次级毛囊密度呈显著正相关（P<0.05），与表皮厚度呈显著负相关（P<0.05）；绒长度与产绒量、次级毛球宽度均呈极显著正相关（P<0.01），与体重、S/P值、次级毛囊直径均呈显著正相关（P<0.05），与表皮厚度呈显著负相关（P<0.05）；绒细度与S/P值呈显著负相关（P<0.05）；S/P值影响绒细度，而体重、绒长度、S/P值、次级毛囊密度（绒密度）显著影响产绒量（P<0.05）。综合分析认为，S/P值可以作为陕北白绒山羊选种工作中的一个重要性状指标，在育种工作中选择高S/P值个体，不仅能够提高产绒量，而且能够提高绒长度、降低绒细度，解决产绒量和绒品质同时提高的矛盾。

关键词: 陕北白绒山羊; 皮肤毛囊; S/P值; 产绒量; 相关分析

Abstract:

In order to provide histological basis for molecular regulation mechanism of the growth of wool and cashmere,and provide reference for application of hair follicle traits in cashmere goat breeding,hair follicle structure and the correlation between characteristic parameters and cashmere production traits in Shanbei White cashmere goat were studied.Skin samples were collected from Shanbei White cashmere goats,and made into paraffin sections.The morphological characteristics of skin hair follicle were observed by microphotograph system and a number of parameters were measured.The correlation between characteristic parameters and cashmere production traits was analyzed with SPSS 17.0 software.The results showed that the hair follicles of Shanbei White cashmere goat were distributed in hair follicle groups and the main type of hair follicle group was three-type,which accounted for 85.80%.The cashmere yield had an extremely significant positive correlation with body weight,cashmere length,S/P value,SF-bulb width (P < 0.01),had a significant positive correlation with SF density (P < 0.05),and had a significant negative correlation with epidermis thickness (P < 0.05).The cashmere length had an extremely significant positive correlation with cashmere yield and SF-bulb width (P < 0.01),had a significant positive correlation with body weight,S/P value,SF diameter (P < 0.05),and had a significant negative correlation with epidermis thickness (P < 0.05).The cashmere fineness had a significant negative correlation with S/P value (P < 0.05).It was concluded that the skin hair follicle characteristics of Shanbei White cashmere goat,such as S/P value influenced the cashmere fineness,and body weight,cashmere length,S/P value,SF density (cashmere density) significantly influenced the cashmere yield (P < 0.05).It suggested that the S/P value could be used as a very important trait in Shanbei White cashmere goat breeding.High S/P value not only could improve the cashmere yield,but also could improve the cashmere length and reduce the cashmere fineness,thus solve the contradiction of improving the cashmere yield and quality at the same time.

Key words: Shanbei White cashmere goat; hair follicle; S/P value; cashmere yield; correlation analysis

中图分类号:

S827

史雷, 屈雷, 刘锦旺, 朱海鲸, 李陇平, 黄帅. 陕北白绒山羊皮肤毛囊形态结构及其特征参数与产绒性状的相关性分析[J]. 《中国畜牧兽医》, 2018, 45(10): 2814-2822.

SHI Lei, QU Lei, LIU Jinwang, ZHU Haijing, LI Longping, HUANG Shuai. Hair Follicle Structure and the Correlation Analysis Between Characteristic Parameters and Cashmere Production Traits in Shanbei White Cashmere Goat[J]. , 2018, 45(10): 2814-2822.

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