REVIEW STUDY OF THE ARTIFICIAL BREEDING OF GATTAN (Barbus xanthopterus, HECKEL) IN IRAQ

This review article deals with the documentation of all previous work on propagation Gattan. It was found that induced spawning Gattan is similar to common carp and Bunnei. The sensitive brooders needs a great care during handling transportation. weight 5 were 1.5-10 kg for females 1-2.5 males, age 4-9 3-6 males respectively. artificial breeding season continue from10 March till mid June. MS222 used anesthesia concentration 1/10000. Carp pituitary gland extract (CPG) in work, different dosage wobbled between mg/kg 2-3 males. total divided 10 % first injection 90 second. sex products obtained after 12-14h from second injection. fertilized eggs incubated Zoug jars, at 23-25 ºC water current 0.5-0.7 l /min. hatching complete within three days. larvae reared two stages indoor incubators earthen ponds.