silkworm rearing造句

• Studies on feed efficiency of big silkworm rearing with mulberry shoots on the land in guang dong province
  广东大蚕地面条桑育饲料效率的研究
• Yunnan could be a good base to produce cocoon with high quality because of its suitable natural conditions in mulberry planting and silkworm rearing
  摘要云南具有世界上比较适宜栽桑养蚕的自然条件，是生产优质原料茧的好基地。