Natural Feeding Of Gettan Luciobarbus Xanthopterus In Hamrin Dam Lake
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The natural nutrition of Luciobarbus xanthopterus was studied in Hamrin Dam lake for the period from July 2020 to June 2021. 116 specimens of Luciobarbus xanthopterus (Heckel,1843) with lengths ranged between 24 to 87 cm and their weights from 124.74 to 6160.4 g at ages 2 to 7 years. The anterior part of the alimentary canal of the caught fish, was studied the results showed that food of animal origin. 85.17% and food of plant origin Fig. 14.53. with the IRI significance level index. The highest feeding intensity was recorded in April 2021, reaching 28.33 points/fish, and the lowest in February 2021, at 13.33 points/fish. The feeding activity of Luciobarbus xanthopterus fish increased with the increase in water temperature in summer compared to winter season.