PhD in Veterinary Sciences, Associate Professor
National University of Life and Environmental Sciences of Ukraine
03041, 15 Heroyiv Oborony Str., Kyiv, Ukraine
https://orcid.org/0000-0002-4178-0352
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PECULIARITIES OF COLLECTION AND CRYOPRESERVATION OF STALLION SPERMO. V. MYHOVYCH , Yurii Masalovych, Oleksandr Valchuk Keywords: stallions, phantom, mare, artificial vagina, semen, diluent, packaging, labeling, cryopreservation
O. V. MYHOVYCH, Masalovych, Y., & Valchuk, O.
(2020).
PECULIARITIES OF COLLECTION AND CRYOPRESERVATION OF STALLION SPERM.
Ukrainian Journal of Veterinary Sciences,
(3),
-.
https://doi.org/10.31548/ujvs2020.03.011
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SUPPLY ACCOUNT AND FERTILIZER MILK REALIZATION BY CATTLE.CENTER INTERNET-RESOURCESOleksandr Valchuk Keywords: cattle breeding, farm, cattle, cow, Cattle.Center, welfare in cattle breeding, information system, web resource, milk, hopes, lactation
Valchuk, O.
(2018).
SUPPLY ACCOUNT AND FERTILIZER MILK REALIZATION BY CATTLE.CENTER INTERNET-RESOURCES.
Ukrainian Journal of Veterinary Sciences,
9(1),
-.
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Distribution of Toxoplasma gondii among cattle in certain regions of UkraineVladyslava Storozhuk, Glib Mikharovskyi, Olena Zhurienko, Oleksandr Valchuk, Bohdan Nyzhnyk, Kseniia Tretiakova, Maryna Galat Keywords: toxoplasmosis, serology, enzyme-linked immunosorbent assay, Kyiv, Zhytomyr, Khmelnytskyi, Lviv regions
Storozhuk, V., Mikharovskyi, M., Zhurienko, O., Valchuk, O., Nyzhnyk, N., Tretiakova, T., & Galat, G.
(2022).
Distribution of Toxoplasma gondii among cattle in certain regions of Ukraine.
Ukrainian Journal of Veterinary Sciences,
13(1),
71-79.
https://doi.org/10.31548/ujvs.13(1).2022.71-79
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Embryo flushing in cows under various superovulation schemesMaksym Salizhenko, Oleksandr Valchuk, Vitalii Kovpak, Serhii Derkach, Yurii Masalovych Keywords: FSH-Super, cattle, follicle, Step-up, Step-down
Salizhenko, M., Valchuk, O., Kovpak, V., Derkach, S., & Masalovych, Y.
(2022).
Embryo flushing in cows under various superovulation schemes.
Ukrainian Journal of Veterinary Sciences,
13(2),
46-52.
https://doi.org/10.31548/ujvs.13(2).2022.46-52
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Pathohistological changes in aborted foetuses of cows due to neosporosis: Evidence from UkraineBohdan Nyzhnyk, Inna Hrushkovska, Tetiana Kataieva, Oleksandr Valchuk Keywords: cattle, Neospora caninum, abortion, histology
Nyzhnyk, N., Hrushkovska, I., Kataieva, T., & Valchuk, O.
(2022).
Pathohistological changes in aborted foetuses of cows due to neosporosis: Evidence from Ukraine.
Ukrainian Journal of Veterinary Sciences,
13(3),
50-56.
https://doi.org/10.31548/ujvs.13(3).2022.50-56
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Determination of acute toxicity parameters of the extract of the basidial tree fungus Inonotus obliquus as a promising agent for veterinary medicineIryna Derkach, Serhii Derkach, Vyacheslav Solomon, Oleksandr Valchuk, Sofiya Klymenko Keywords: chaga, preclinical studies, laboratory animals, pathological changes, pharmacological effect
Derkach, I., Derkach, S., Solomon, V., Valchuk, O., & Klymenko, S.
(2025).
Determination of acute toxicity parameters of the extract of the basidial tree fungus Inonotus obliquus as a promising agent for veterinary medicine.
Ukrainian Journal of Veterinary Sciences,
16(2),
29-45.
https://doi.org/10.31548/veterinary2.2025.29
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