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当前位置: 首页 > 文章 > 蒙古羊尾椎数与尾型变异分析 黑龙江畜牧兽医 2017 (15) 102-105+110
Position: Home > Articles > Variation analysis of the caudal vertebrae number and type in the Mongolian sheep Heilongjiang Animal Science and Veterinary Medicine 2017 (15) 102-105+110

蒙古羊尾椎数与尾型变异分析

作  者：
何小龙;王位;王艳欣;王月星;付绍印;李虎山;刘斌;祁云霞;达赖;郭建平;蔡宇钿;刘永斌;张文广
单  位：
内蒙古ATCG生物信息研究所;中国科学院内蒙古草业研究中心;内蒙古农业大学动物科学学院;巴彦淖尔市家畜改良工作站;内蒙古自治区农牧业科学院
关键词：
蒙古羊;尾椎;尾型;变异;扫描
摘  要：
为了揭示蒙古羊尾椎数与尾型的变异规律,试验选择内蒙古四子王旗所养殖的蒙古羊作为研究对象,对其尾椎数和尾型进行测定。结果表明:通过对蒙古羊尾巴的扫描,将蒙古羊的尾型分为直尾、弯尾和逗号尾三种类型,蒙古羊的尾椎数在7~13个之间,平均为9.78个,整个尾椎长度在18~34 cm之间,平均为24.58 cm;蒙古羊的第一尾椎到第五尾椎的宽度呈递减变化趋势,通过模拟得到尾椎宽度的函数方程为y=-5.884ln x+17.082,根据此数学方程式可以计算出每个尾椎的宽度。通过对蒙古羊尾型测定得到成年蒙古羊尾长在3.00~20.00 cm之间,平均为11.14 cm,尾宽在3.00~19.00 cm之间,平均为11.26 cm;羔羊尾长在3.50~15.00 cm之间,平均为9.61 cm,尾宽在5.50~15.00 cm之间,平均为9.75 cm,蒙古羊的尾长略小于尾宽。
译  名：
Variation analysis of the caudal vertebrae number and type in the Mongolian sheep
作  者：
HE Xiaolong;WANG Wei;WANG Yanxin;WANG Yuexing;FU Shaoyin;LI Hushan;LIU Bin;QI Yunxia;DA Lai;GUO Jianping;CAI Yudian;LIU Yongbin;ZHANG Wenguang;Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences;College of Animal Science,Inner Mongolia Agricultural University;Institute of ATCG,Nei Mongol Bio-Information;Bayannur Livestock Improvement Station;Inner Mongolia Research Center for Prataculture,Chinese Academy of Sciences;
关键词：
Mongolian sheep;;caudal vertebrae;;caudal type;;variation;;scanning
摘  要：
In order to reveal the variation for the caudal vertebrae number and type in the Mongolian sheep,this study Siziwangqi Mongolian sheep as research objects were chosen for the determination of the caudal vertebrae number and type. The results showed that The Mongolian sheep had three caudal types including straight tail type,bend tail type,and comma tail type by the scanning. The Mongolian sheep caudal vertebrae numbers were from 7 to 13,on average of 9. 78,and the whole caudal vertebrae length were from 18 to 34 cm,on average of 24. 58 cm. The width of the Mongolian sheep from No. 1 to No. 5 caudal vertebrae showed a decreasing trend. By simulation,the function equation of the caudal vertebrae width was obtained y =-5. 884 ln x + 17. 082,so that the width of each caudal vertebra could be calculated according to the mathematical equation. Through the caudal type determination,the adult Mongolian sheep tail lengths were from 3. 00 to 20. 00 cm,on average of 11. 14 cm,and tail widths were from 3. 00 to 19. 00 cm,on average of 11. 26 cm. While the lamb tail lengths were from 3. 50 to 15. 00 cm,on average of 9. 61 cm,and tail widths were from 5. 50 to 15. 00 cm,on average of 9. 75 cm. The Mongolia sheep tail length was slightly shorter than tail width.

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