التداخل الغذائي للأسماك في خزان سد حديثة (القادسية)‎-العراق

الملخص EN

During the period between February 1993 and the end of May 1994, a total of 683 different fish species were caught from Hadetha (Al-Qadesiya) dam Reservoir.

The stomach containts of fish were studied Bizz (Barbus esocinus) and Shilik (Aspius vorax) were found feeding on small fishes (PisceYorus).

Bunni (5.

sharpeyi) was herbivorous.

Whereas, other fish were omnivorous; either took more animal food in their diets, like, Kattan (B.

xanthopterus), common carp (Cyprinus carpio) and wide Siminan (Acanihobrama marmid) or took more plant in origin diets e.g.

Shabbott (B.

grypus), Khishni (Liza abu), and Himmrcy (B luteus).

It is important to use fertilizers to help in the improving reservoir productivity and the growdi of economical for economical purposes and animal protein production for Iraqi consumers.

The work also advised using kattan common carp, wide Siminan and shilik Mollusca controlling, specially, Zebra Mollusca (Dreissenia polymorpha), which, and responsible of many troubles in the reservoir.