STUDIS THE REASON FOR THE DEATH OF Penaeus japonicus BATE IN XINGLIN SHRIMP POND

We investigated the physical and chemical elements of waters in Xinglin shrimp pond from November17th2000to Desember2nd2000.The results showed:the reason for the death of Penaeus japonicus Bate was that the level Of NH 4+ _N in shrimp pond waters was too high,which made surroundings of Penaeus japonicus Bate change suddenly and resulted in metabolic disorder in shrimp body,and caused Penaeus japonicus Bate poisoning and dying.