Hunchak Alla
Dr.Sc. (Agricultural Sciences), Senior Researcher
Head of Laboratory of Physiology, Biochemistry and Nutrition of Poultry
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032-270-26-21
Education
1984: Graduated from the Lviv Zooveterinary Institute, specializing in "Veterinary Medicine".
1989–1991: Postgraduate student at the Vitamin Laboratory of the Ukrainian Research Institute of Physiology and Biochemistry of Agricultural Animals (UAAS), specializing in 03.00.04 – "Biochemistry".
Scientific Advisor: Dr. Stanislav M. Payenok, Doctor of Biological Sciences, Professor.
1992: Successfully defended a Ph.D. dissertation titled "Effect of Aerosol Vaccination on Immunological Parameters and Vitamin Supply of Chicks in the Post-Vaccination Period" and was awarded the degree of Candidate of Biological Sciences.
2013: Conducted research at the Institute of Animal Biology of the NAAS and defended a doctoral dissertation titled "Metabolic Parameters and Poultry Productivity under the Influence of Biogenic Additives".
Scientific Consultant: Dr. Iryney B. Ratych, Doctor of Agricultural Sciences, Senior Researcher, and Corresponding Member of the NAAS.
Academic Degree: Awarded the degree of Doctor of Agricultural Sciences, specializing in 03.00.04 – "Biochemistry".
Professional Experience:
1991–2005: Held positions of Lead Veterinary Physician, Research Scientist, and later Senior Researcher at the Institute of Animal Biology of the National Academy of Agricultural Sciences (NAAS).
Since 2005: Head of the Laboratory of Physiology, Biochemistry, and Poultry Nutrition at the Institute of Animal Biology of the NAAS.
Scientific Activities and Memberships
Member of the Scientific Council of the Institute of Animal Biology of the NAAS.
Member of the Methodological Commission of the Institute of Animal Biology of the NAAS.
Member of the Specialized Scientific Council D 35.368.01.
Member of the Editorial Board of the journal "Animal Biology".
Member of the Ukrainian Biochemical Society.
Author of over 260 scientific publications, including 2 textbooks, a monograph, a handbook, 6 methodological recommendations, and Technical Specifications (TU) of Ukraine.
Research Interests
Animal Biochemistry and Nutrition.
Recent publications
Hunchak А, Stefanyshyn О, Sirko Y, Kyryliv B, Ratych I, Hunchak V, et al. Innovative feed additives in the optimization of laying hen diets. Regul Mech Biosyst. 2025 Nov 12;16(4):e25204. https://doi.org/10.15421/0225204 (Scopus Q4, Web of Science Q4). (Ukraine)
Stefanyshyn O, Hunchak A, Starchevskyy V, Salyha Y. Disruption of Yeast Cells Xanthophyllomyces Dendrorhous (Phaffia rhodozyma) by Vibration Resonant Low-Frequency Cavitator. Chemistry & Chemical Technology. 2023; 17(1): 188–194. https://doi.org/10.23939/chcht17.01 (Scopus Q3). (Ukraine)
Vorobel M, Kaplinskyi V, Klym O, Stefanyshyn O, Hunchak A, Smolyaninova O, Pakholkiv N, Bilovus H. Vitamin and mineral nutrition of dairy cows and its influence on ruminal metabolism and milk productivity. Scientific Papers. Series D. Animal Science. 2023; 66(1): 167–172. https://animalsciencejournal.usamv.ro/index.php/scientific-papers/current (Web of Science Q4). (Romania)
Karpenko Y, Hunchak Y, Gutyj B, Hunchak A, Parchenko M, Parchenko V. Advanced research for physico-chemical properties and parameters of toxicity piperazinium 2-((5-(furan-2-YL)-4-phenyl-4H-1,2,4-triazol-3-YL)THIO) Acetate. ScienceRise: Pharmaceutical Science. 2022; 2(36): 18–25. https://doi.org/10.15587/2519-4852.2022.255848 (Scopus Q3). (Ukraine)
Hunchak V, Martynyshyn V, Gutyi B, Hunchak A, Stefanyshyn O, Parchenko V. Impact of 1,2,3,4-thio-triazole derivative-based liniment on morphological and blood parameters of dogs suffering from dermatomycoses. Regulatory Mechanisms in Biosystems 2020; 294-298. https://doi.org/10.15421/022044 (Web of Science Q4) (Ukraine)
Gutyj B, Ostapyuk A, Sobolev O, Vishchur V, Gubash O, Kurtyak B, Kovalskyi Y, Darmohray L, Hunchak A, Tsisaryk O, Shcherbatyy A, Farionik T, Savchuk L, Palyadichuk O, Hrymak K. Cadmium burden impact on morphological and biochemical blood indicators of poultry. Ukrainian Journal of Ecology. 2019; 9(1): 235-239. (Web of Science Q4) Ukraine
Stefanyshyn О, Hunchak A. The effect of phaffia rhodozyma yeast biomass under different application regimes on the qualitative and quantitative composition of the gut microbiota in laboratory animals under conditions of experimental dysbiosis. In: One world – one health, 4-5 June 2024, Słupsk, Poland. 2024; 279-284 (Poland)
Hunchak A, Stefanyshyn O, Sirko Y, Kyryliv B, Ratych I. Influence of exogenous enzymes and different forms of Sulfur in the diets of broiler chickens on productivity and quality of poultry products. The Animal Biology, 2024; 27(4): 49-54. https://doi.org/10.15407/animbiol26.04.049.
Hunchak А, Sirko Ya, Kyryliv B, Stefanyshyn O, Ratych I, Hunchak V, Gutyj B. Intensity of metabolic processes in laying hens due to changes in the qualitative and quantitative composition of protein in the diet. AGRICULTURAL SCIENCES / «Colloquium-journal» 4(163), 2023; 40-46 DOI: 10.24412/2520-6990-2023-4163-40-46 (Poland)
Hunchak Y, Gutyj B, Hunchak A, Soltys M. Helminthiasis of wild ungulates: helminth fauna. Spread and features of prevention. Scientific Messenger of Lviv National University of Veterinary Medicine and Biotechnologies. Series «Veterinary Sciences», (2023); 25(111): 62-72. https://doi.org/10.32718/nvlvet11110
Said W.S., Gytyj B., Kushnir І., Hunchak V., Hunchak A., Khalak V., Kushnir V., Martyshuk Т., Leskiv Kh., Gyta Z. Morphological parameters of dogs' blood, with experimental infestation with toxocariasis and «Fenbenzyl». Colloquium-journal, 2022; 18(141). DOI: 10.24412/2520-6990-2022-18141-10-16 (Poland)
Ratych I, Hunchak A, Sirko Y, Stefanyshyn O, Kyryliv B, Chomyk I. Laying hens productivity and quality of eggs at changing the qualitative and quantitative composition of feed protein. The Animal Biology, 2022; 24(3): 27-32. https://doi.org/10.15407/animbiol24.03.027.
Hunchak V, Yuskiv I, Gutyj B, Hunchak A, Parchenko V. Parasitofauna of farm red deer (Cervus elaphus) in Western Polissya of Ukraine. Scientific Messenger of Lviv National University of Veterinary Medicine and Biotechnologies. Series «Veterinary Sciences», 2022; 24(105): 50-58. https://doi.org/10.32718/nvlvet10508
Hunchak A, Medvid S. Stefanyshyn O, Sirko Y, Koretchuk S. Microelement (Mn, Zn, Cu, Fe, Co, І) levels in quails and their eggs according to their forms and dosage in poultry diet. Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies. Series «Agricultural Sciences», 2021; 23(94): 50-55. https://doi.org/10.32718/nvlvet-a9410
Kyryliv B, Hunchak A, Ratych I, Gutyj B. Influence of alimentary factors on the absorption of feed nutrients and poultry productivity. Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies. Series «Agricultural Sciences», 2021; 23(95): 3-14. https://doi.org/10.32718/nvlvet-a9501
