作者: R. T. Wilson
DOI: 10.1007/BF02235338
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摘要: Equines have been largely ignored in modern scientific literature on domestic animals, probably because they are not providers of meat and milk. Their contribution to the economy Sudan, however, is considerable principal means transport both as baggage riding animals. They also play an important role supply fuel distribution water larger villages towns. Information population structure provided descriptions, with particular reference withers height weight, given two types donkey horse. Growth curves derived, formulae for estimating weight from girth provided, mean weights, which can be expressed terms livestock units, calculated.