Morphological and biochemical blood indices of obroshinsky gray and obroshinsky white natural group geese ant its depending on their physiological state
This article describes the results of morphological and biochemical blood indices of obroshinsky gray and obroshinsky white natural group geese and its depending on the period of their reproductive cycle. It is established that gender and race affiliation have a significant influence on these indices. The largest amounts of erythrocytes and hemoglobin concentration in females and males of both natural groups were observed at the beginning of the oviposition, intensive egg laying and at the beginning of molting, and the smallest values were at the end of the oviposition. At the same time, the activity of transaminases and alkaline phosphatase were the highest during intensive oviposition, and the smallest at the end of the oviposition and at the beginning of a definitive molting. Gray males dominated above females by the content of red blood cells and level of hemoglobin during all studied periods of the reproductive cycle, with the exception of the beginning of oviposition, In white geese, males dominated above females in number of erythrocytes only at the beginning of oviposition and in the period of intensive oviposition, and the hemoglobin content were always higher in males during all studied physiological periods. Obroshinsky gray group greese prevailed above obroshinsky white natural group greese by the amounts of erythrocytes at the beginning of oviposition and during intensive oviposition, but in the end of oviposition they inferior to obroshinsky white natural group geese. Obroshinsky white natural group geese prevailed above obroshinsky gray group greese in the concentration of hemoglobin in the blood and the color index of blood in all investigated periods (with the exception of the hemoglobin content in the blood of gray females at the beginning of molting and the color blood index in gray females and males at the end of the oviposition). The highest values of the colored blood index in both breeding groups were female. Females from both natural groups geese dominated above males with higher color blood index in all periods of oviposition and at the beginning of molting. The activity of transaminases and alkaline phosphatase were higher in white geese at the beginning and in the end of the oviposition (with the exception at the end of the oviposition in gray males). In the period of intensive egg laying and at the beginning of the molting, white geese had advantages.
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