1201畜産 乳牛の飼料に菌類酵素を添加すると、乳量と乳質が向上する。(Adding fungal enzymes to dairy cow rations boosts milk output and quality) 2022-09-07 ペンシルベニア州立大学(PennState)Microbes such as these two protozoa produce enzymes in the cow's rumen — or four-chambe... 2022-09-09 1201畜産