Pub Date: 2014-02-01 Pages: 216 Language: Chinese Publisher: Hebei Science and Technology Press. cow efficient breeding technology to pollution. environmental protection and new technology. to achieve high-yielding dairy cows. high quality. eco-targets. introduces cows fine varieties. dairy feed savings. ecological use. high-quality and efficient cultivation of breeding cows. cows and other content prevention of common diseases. Contents Chapter Section varieties of cows breed classification of a cow. the cow imported two varieties. improved varieties of local cows varieties of domestic cows Section One. two goals of improved dairy cattle breeding. dairy cows this Three breeding and cross-breeding. improved dairy cattle crossbreeding classification and preparation of the second chapter of the first section of the nutritional needs of dairy feed a cow. the demand for energy i...
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Seller: liu xing, Nanjing, JS, China
paperback. Condition: New. Pub Date: 2014-02-01 Pages: 216 Language: Chinese Publisher: Hebei Science and Technology Press. cow efficient breeding technology to pollution. environmental protection and new technology. to achieve high-yielding dairy cows. high quality. eco-targets. introduces cows fine varieties. dairy feed savings. ecological use. high-quality and efficient cultivation of breeding cows. cows and other content prevention of common diseases. Contents Chapter Section varieties of cows breed classification . Seller Inventory # CP013326