Analysis of age and growth indicators of white sla fish (Sander luciperca) in Tuzkon lake (Aydar-Arnasay Lake System), Uzbekistan
D. DehkonovaTashkent State Agrarian University, University str., 2, Tashkent province, Uzbekistan, 100140T.S. KanatbaevaNavoi State Pedagogical Insitute, Ibn Sino str., 45, Navoi, UzbekistanM.E. UmmatovaNavoi State Pedagogical Insitute, Ibn Sino str., 45, Navoi, UzbekistanMansur YuldashovTashkent State Agrarian University, University str., 2, Tashkent province, Uzbekistan, 100140
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Аннотация
This article provides information on the growth of pike perch ( Sander lucioperca ) of Lake Tuzkon, which is part of the Aydar-Arnasay system of lakes. As a result of the research carried out, the age composition of the catches was determined: at the age of 1+ - 16.5%; 2+ - 38.5%; 3+ - 17.5%; 4+ - 12%; 5+ - 7.6% and 6+ - 8.0%. It was determined that pike perch in the first year of life grows to an average of 26.40 cm, in the second year - up to 44.45 cm, in the third - up to 53.35 cm, in the fourth - up to 67.37 cm, in the fifth and sixth years, respectively - up to 70.39 and 76.20 cm.
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