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Main hematological parameters of sturgeon species (Acipenseridae) (review)

Journal: Fisheries Science of Ukraine (Vol.39, No. 1)

Publication Date:

Authors : ;

Page : 92-117

Keywords : sturgeon (Acipenseridae); hematologic parameters; red blood (RBC); hematocrit; hemoglobin (Hb); white blood cells (WBC); leucogram; Arneth's curve; high-density lipoprotein; low-density lipoprotein; lysozyme; fertility; blood plasma; blood serum;

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Purpose. To analyze scientific sources on the physiological, biochemical, ecological and genetic features of the main hematological paremeters and patterns of their variability in sturgeon species (Acipenseridae). To examine the fundamental aspects of lipid and protein metabolism in blood serum and the effect of biotic and abiotic factors on them. To highlight the common features of serum enzymes. Findings. A review of scientific papers revealed that although hematological parameters of sturgeons are generally similar to those of teleosts and mammals, there are a number of significant differences. In addition, many hematological parameters are characterized by species specificity, even within a family. Special attention is given to the variability of hematological parameters under the effect of factors of both internal and external environment. The paper describes the effects of sex and age, as well as the seasons of the year on the compositio of sturgeon blood. The fundamentals of the use of serum proteins in genetic and population studies are outlined. The features of the functioning of hemoglobin in sturgeon's red blood cells are examined. The main hematological parameters involved in the formation and maturation of sexual products, and their effect on fertility are reviewed. For example, the spawners, which hadn't put reproductive product, are characterized by a low rate of hemoglobin, increase in erythrocyte sedimentation speed and also a rise of the level of crude protein in blood and β-lipoproteid serum.The biochemical parameters (total protein and fractions, glucose, creatinine, cholesterol), the activity of some enzymes (alanine aminotransferase, aspartate aminotransferase, alkaline phosphatase, creatine kinase) in serum are examined. Practical value. The systematized data on the main hematological parameters and patterns of their variability in sturgeon species will be useful for both scientits and fish farmers. This is due to the fact that the analysis of blood as the most labile system of fish organism, not only clearly reflects the physiological state of the individual in specific conditions of existence, but is also used in genetic and population studies. Thus, the knowledge of the basic patterns of the formation of blood composition of sturgeon fish is necessary for further research in fisheries science. An array of the generalized information will be useful for the creation of replacement broodstocks, assessment of the quality of juveniles, determination of the readiness degree of broodfish for spawning, in ichthyopathological situations at fish farms, etc.

Last modified: 2017-04-13 16:38:25