不同精粗比全混合饲粮对肥育羔羊消化道pH和消化酶活性的影响
杨子江;年芳;李发弟;;马友记;郭江鹏;郝正里
Influences of Total Mixed Diets with Different ConcentrateRoughage Ratio on pHand Activity of Digestive Enzymes in Alimentary Canal of Fattening Lambs
YANG Zijiang;NIAN Fang;LI Fadi;MA Youji;GUO Jiangpeng;HAO Zhengli
畜牧兽医学报 . 2009, (9): 1333 -1340 .