Bìol. Tvarin. 2020; 22 (3): 21–23.

Life and Research of V. А. Charkin — scientist, father, grandfather

I. V. Nevostruyeva

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Institute of Animal Biology NAAS,
38 Vasyl Stus str., Lviv, 79034, Ukraine

Charkin Volodymyr was PhD in Biology, Senior researcher, Head of the Laboratory of Cattle Nutrition that focuses on researching the physiology of animal lactation, studying the influence of Iodium, Chromium, Selenium, Cobalt on metabolic processes, productivity and composition of milk; development of elements of national protein feeding system of high productive cows that correspond to modern protein standardizing criteria. Lactation is a complex process of creation, storing and producing milk in animal’s mammal gland. Nervous system and hormones of endocrine glands with the help of brain cortex and hypothalamus, where lactation center is located, regulate the process of mild production. Hypothalamus produces releasing factors – somatoliberin and prolactoliberin that stimulate the production of hormones somatotropin and prolactin in hypothesis. These hormones directly take part in the production of milk. The role of other endocrine glands is that they contribute to promotion of the synthesis of milk precursors and increase of their amount in blood.

Key words: PhD, hormonal regulation, milk production, induction, rumen undegradable protein, national protein feeding system, high production cows, metabolism

  1. Vudmaska I, Charkin V, Pokotylo O, Korinec Y. Effects of level and interrelation of carbohydrates in diets on lipid metabolism in cows. International conference “Animal Science in the XXI century”. Kraków. 2001: 3–5.
  2. Lagodyuk PZ, Klos JS, Charkin VA. Structure of soluble proteins in the mammary gland tissue of cattle. Ukr. Biochem. J. 1981; 53 (6): 106–112. (in Ukrainian)
  3. Lagodyuk PZ, Charkin VA, Klos JS. Lactation induction by sex hormones in cows and calfs. Abstracts of the report of the XXI Congress of the Ukrainian Physiological Society I. P. Pavlov. Physiol. J. 1986; 18 (2): 172. (in Ukrainian)
  4. Charkin V, Baranetska I, Smolyaninov B. Influence of thyroxin on gas-energetic metabolism in animals. Collection of Physiology and Biochemistry of Farm Animals. Kyiv, Harvest, 1968; 7: 9-16. (in Ukrainian)
  5. Charkin VA, PZ, Klos JS, Anikeev VF. Influence of the hypophysis lacto-somatotropic hormone on cows’ lactation. Proceedings of the symposium “Hormones and hormonal drugs in animal husbandry”, Tashkent, 1974. (in Russian)
  6. Charkin VA. Synthesis of milk fats during hormonal lactation stimulation in cows. Abstracts of reports on the III Ukrainian Biochemical Congress, Donetsk, 1977. (in Ukrainian)
  7. Dronik GV, Stefanyk VV, Stefanyk TI, Charkin VA. Influence of chelates of selenium and chromium on milk production in cows. Physiol. J. 2006; 56 (2): 225. (in Ukrainian)

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