Published in Scientific Papers. Series D. Animal Science, Vol. LXV, Issue 1
Written by Volodymyr MELNYK, Olena KARATIEIEVA, Olena KRAVCHENKO, Olena KOGUT
Synchronization and stimulation are used to obtain large numbers of embryos. Therefore, the studies carried out made it possible to assess homeostasis in the dynamics of metabolism in different phases of regulation of the reproductive cycle when using the proposed drug "Estrosynchron". The drug blocks the secretion of pituitary gonadotropins, which inhibits the growth of follicles and the ovulation process and, accordingly, the manifestation of the phenomena of the sexual cycle. It was found that over the period (18-20 days) of feeding Estrosynchron in gilts after treatment, blood parameters decreased: total protein, globulin fraction, α1-globulin, α2-globulin fraction compared with the indicators before treatment. After treatment, there was an increase in the number of erythrocytes, hematocrit, platelet count and thrombocyte, as well as a significant increase in the average hemoglobin content in an erythrocyte and a decrease in the rate of erythrocyte coagulation. At the same time, studies of blood parameters provide additional information about the characteristics of breeding pigs, depending on the age and physiological state during reproductive use.
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