The Animal Biology

THE INFLUENCE OF HIGH NERVOUS ACTIVITY TYPE ON SUPEROXIDE DISMUTASE ACTIVITY AND CONTENT OF COPPER AND ZINC IN THE BLOOD OF COWS

Yu. O. Sisyuk, Yu. V. Kravchenko-Dovga, V. I. Karpovsky, O. V. Danchuk, O. V. Zhurenko

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National University of Life and Environmental Sciences of Ukraine,
15 Geroyiv Oborony str., Kyiv 03041, This email address is being protected from spambots. You need JavaScript enabled to view it.

New scientific data concerning the degree and nature of the influence of the main characteristics of cortical processes on the activity of superoxide dismutase and the content of Copper and Zinc in the blood of cows are presented. The experiment has been conducted on cows of Ukrainian black-and-white breed of 2^nd–3rd lactation with different types of higher nervous activity (HNA). Investigations of conditioned-reflex activity were performed according to the modified method of conditional-food reflexes G. V. Parshutina and T. V. Hippolyte. The research material used was blood samples of animals that determined the content of Zinc and Copper and the activity of superoxide dismutase.

It has been found that in cows of strong, balanced inert and strong unbalanced type of HNA, the content of zinc in the blood was lower by 17.1 % (P<0.001) and 18.5 % (P<0.01) in accordance with indicators of strong, balanced, mobile type cows, whereas, as the contents of Copper did not differ significantly. In animals of the weak type of GNI, the content of zinc and Copper in the blood is significantly less than 8.3 % (P<0.05) and 24.6 % (P<0.001), respectively, of the animals of a strong, well-balanced, type of animal. The activity of superoxide dismutase in the blood of cows of a strong, balanced, mobile and strong, balanced inert type of HNA does not differ significantly and rises above 17.2–24.1 % (P<0.05) from the indicator of strong and unbalanced and weak type animals. The strength of the cortical processes affects the content of Copper, Zinc and the activity of superoxide dismutase in the blood of cows (P<0.01–0.05). Correlation of cortical processes significantly limits the activity of superoxide dismutase and the content of zinc in the blood (P<0.01), and the mobility of excitatory and inhibition processes in the cerebral cortex affects only the content of zinc in the blood of cows (P<0.01).

Keywords: COWS, HIGHER NERVOUS ACTIVITY, ZINC, COPPER, SUPERROXIDE DISMUTASE

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