journal of kerbala university

This study was carried out fish common carp Cyprinus carpio at Al-Furat Fish Company to applied of intensive production program for product 12 million larvae of fish common carp during one production season with out using of temperature control system.
The result of this study showed that each breeders batch need 6-10 days in the hatchery and259 female weighing 973kg. in 8 batch can give 184 kg. of eggs and at least 54 million of larvae , The production of eggs from these breeders attained 19.97% (by out of unresponder female) or 199.7gm eggs/1kg of female live weight, which need 245.17 Degree/hours to spawn after the second injection of hormones and the eggs of Common Carp need 59.43-72.28 degree/day for hatching .