广东:今年菜鳗宜早出

来源 :农村养殖技术 | 被引量 : 0次 | 上传用户:tyhz3030
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
今年4月份以来,菜鳗养殖区域内一直都陆续有养殖户在投放新鳗苗,至今尚未停止。对于养殖户们来说,今年的菜鳗养殖量大增并不一定意味着形势大好——今年的菜鳗养殖的风险并不比去年低,而这个风险主要来自目前极不明朗的市场形势。今年的日本鳗苗大丰收,中国大陆投放的鳗白苗多? Since April this year, cabbage breeding area has been one after another farmers in the delivery of new eel, has not stopped. For farmer households, this year’s large increase in eel breeding does not necessarily mean that the situation is good - the risk of eel farming this year is no lower than last year, and the risk comes mainly from the current extremely uncertain market situation. This year’s eel giant bales in Japan, eel white Miao put more in mainland China?
其他文献
本文对28例肾病综合征在钠潴留状态下,即尿钠排出小于钠的摄入三天以上,体重每日至少增加0.5kg,用放射免疫法测定其血管紧张素Ⅱ(ATI)和醛固酮(Ald)。结果显示钠潴留和ATⅡ、Ald缺乏相关性。ATⅡ和血白蛋