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Abstract <p>The article presents the results of a study of leukocyte content in the blood and white blood count in the golden gray mullet <i>Chelon auratus</i> (Risso, 1810) during the first four years of life. The maximum leukocyte count of 48.5 ± 3.7 thousand cells/μL was observed in two-year-olds (age 1+) and coincided with the development of hypochromic anemia and lysis of a portion of the circulating erythrocyte mass. The blood of individuals in this age group showed an increase in the content of monocytes and stab neutrophils. The number of the latter increased by 7.0 times compared to yearlings (0+) and was 7.5 times higher than in three-year-olds (2+). In three-year-olds, in turn, a significant shift in the white blood cell count was observed towards segmented neutrophils, which accounted for &gt;35% of the total number of white blood cells. By the age of four (3+), the situation stabilized. The content of leukocytes in general, as well as monocytes and granular cells in the blood, was minimal.</p>

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Leucocyte Profile of Golden Gray Mullet Chelon auratus (Mugilidae) of Different Ages

  • 期刊论文

  • 发表日期：

    2026年4月1日

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  • A. G. Rokotova,
  • A. A. Soldatov,
  • T. A. Kukhareva

摘要

Abstract

The article presents the results of a study of leukocyte content in the blood and white blood count in the golden gray mullet Chelon auratus (Risso, 1810) during the first four years of life. The maximum leukocyte count of 48.5 ± 3.7 thousand cells/μL was observed in two-year-olds (age 1+) and coincided with the development of hypochromic anemia and lysis of a portion of the circulating erythrocyte mass. The blood of individuals in this age group showed an increase in the content of monocytes and stab neutrophils. The number of the latter increased by 7.0 times compared to yearlings (0+) and was 7.5 times higher than in three-year-olds (2+). In three-year-olds, in turn, a significant shift in the white blood cell count was observed towards segmented neutrophils, which accounted for >35% of the total number of white blood cells. By the age of four (3+), the situation stabilized. The content of leukocytes in general, as well as monocytes and granular cells in the blood, was minimal.