饲喂不同种类粗饲料的辽宁绒山羊瘤胃酶活性及气体组成的研究
사위불동충류조사료적료녕융산양류위매활성급기체조성적연구
Study on Compositions of Gas and Activity of Enzyme in Rumen of Liaoning Cashmere Goat Fed with Different Sorts of Roughages
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