فهرست مطالب هادی پوریاقر
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The feeding characteristics of Alburnus sellal in the Little Zab River, west Azarbaijan Province, Iran were studied from November 2021 to October 2022. The specimens were collected and anesthetized in 1% clove oil, fixed in 10% buffered formalin, and transferred to the laboratory. The average condition factor for males and females was 0.85 showing a significant difference between different months in both sexes (P<0.05). The average length and weight for all specimens were 11.36±1.95cm and 11.8±7.14g, respectively. The average length of gut (RLG) for all fish was 0.65±0.11 during the year. The mean RLG in different months showed significant differences (P<0.05). The highest Gastrosomatic index value was recorded in January and those lowest in August and showed significant differences in different months (P<0.05). A total of 34 empty stomachs were observed amongst the 95 specimens and there were significant differences in different months (P<0.05). This species is an omnivorous fish that mainly consumes aquatic insects, aquatic plants, algae, diatoms, and organic decay material with modest feeding throughout the year.
Keywords: Relative length of gut, Gastrointestinal vacancy index, Feeding habit, Condition factr}
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