Based on the water quality and fish food foundation, the proposal of immigrating some fish species, which eat the rotten organic fragment as primary feed, is put forward.

根据河道水质情况及渔业饵料基础，提出引进以摄食腐碎为主的鱼类等措施。

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"This is directly attributable to the impact and effectiveness of feed bans as a primary control measure for the disease, " he said.

CNN: Mad cow case confirmed in California

"This is directly attributable to the impact and effectiveness of feed bans as a primary control measure for the disease, " he said last month.

CNN: USDA quarantines 2 farms in mad cow investigation

With Tuesday's primary results, she has nothing in her arsenal to feed the perception that her campaign should continue.

NPR: Analysis: Clinton Lacks Clear Path to Victory