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《Acta Agriculturae Boreali-Sinica》 2009-02
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Analysis on Genetic Resource Characteristics of Southwest Horse Population in China

SUN Yu-jiang1,2,MIN Ling-jiang3,CHEN Jian-xing3,MANG Lai1(1.College of Animal Science and Medicine,Inner Mongolia Agricultural University,Huhhot 010019,China;2.Institute of Agricultural Science of Dongying,Dongying 257091,China;3.Institute of Reproduction Development and Genetic Engineering,Qingdao Agricultural University,Qingdao 266109,China)  
For the purpose of making certain the genetic resources and characteristics of Southwest horse,by means of local investigation,network technology and SPSS,I come to the conclution below:The amount of Southwest horse on hand is 2.911 millions,the percentage in our country is 40.46%;The body size of Dali horse,Wumeng horse,Wenshan horse,Baise horse,Jianchang horse and Guizhou horse being differentiated from Southwest horse enlarge gradually from south to north and east to west;The physical structure of Southwest horse is compact and square approximatively.To take male horse for an example,its height,length,circumference and circumference of cannon bone respectively was(115.19±7.10) cm,(114.11±8.29) cm,(132.22±9.94) cm and(15.17±1.15) cm.The density-independent factors were taken into account and annual frost-free period,precipitation,sunshine hours,the average temperature have powerful effect to physical measure of Southwest horse,such as heightatwithers,they might play a leading role in the formation of different ecotype horses.The main factors of influencing the abundance distribution were agricultural machinery per capita,population density,administrative district ratio,and so on.
【CateGory Index】: S821
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