40 元券9783659553615InductionProtocol印刷¥5800去看看上海外文图书音像专营店发布了按需印刷Induction of Estrus in Cross Bred Dairy Cows with Ov-Synch Protocol[9783659553615]20 元券9783659553615InductionProtocolEstrus¥4730去看看澜瑞图书专营店发布了【4周达】Induction of Estrus in Cross Bred Dairy Cows with Ov-Synch Protocol [9783659553615]