Lazar Gabriel, DVM, CSc.

Research/art/teacher profile

Date of last update: 01.09.2026

I. Basic information
I.1 Surname
Lazar
I.2 Given name
Gabriel
I.3 Degrees
DVM, CSc.
I.4 Year of birth
1958
I.5 Name of the workplace
University of Veterinary Medicine and Pharmacy in Košice, Clinic of Ruminants
I.6 Address of the workplace
Komenského 73, 041 81 Košice, Slovak Republic
I.7 Position
lecturer
I.8 E-mail address gabriel.lazar@uvlf.sk
I.9 University staff register / partner university profile https://www.portalvs.sk/regzam/detail/5997
I.11 ORCID iD 0000-0003-2012-5444
II. Higher education and further qualification growth
InstitutionYearStudy field and programme
Second degree higher education
Veterinary College in Košice
1983
general veterinary medicine
Third degree higher education
Univerzita veterinárskeho  lekárstvaaUniversity of Veterinary Medicine in Košice
1993
veterinary obstetrics and gynecology
III. Current and previous employment
OccupationInstitutionYear
University teacher
University of veterinary medicine and pharmacy in Košice
1983 – to date
IV. Development of pedagogical, professional, language, digital and other skills

No records yet.

V. Overview of activities within the teaching career at the university

Academic year: 2026/2027

V.1. Overview of taught profile courses

Profile courseStudy programmeDegreeStudy field
Diseases of ruminants
Food hygiene – full-time study, Slovak language
I. + II.
Veterinary Medicine
Diseases of ruminants
Food hygiene – full-time study, Slovak language
I. + II.
Veterinary Medicine
Diseases of ruminants II.
General Veterinary Medicine – full-time study, English language
I. + II.
Veterinary Medicine
Diseases of ruminants II.
General Veterinary Medicine – full-time study, Slovak language
I. + II.
Veterinary Medicine

V.2. Responsibility for the delivery, development and quality assurance of study programmes

No records yet.

V.3. Responsibility for the development and quality of habilitation and inauguration fields

No records yet.

V.4. Overview of supervised theses

BachelorMasterDoctoral
Currently supervised theses000
Defended theses1100

V.5. Overview of other taught courses

CourseStudy programmeDegreeStudy field
Clinical practice – food producing animals (poultry, ruminants, swine, herd health management)
Food hygiene – full-time study, Slovak language
I. + II.
Veterinary Medicine
Andrology and artificial insemination
General Veterinary Medicine – full-time study, English language
I. + II.
Veterinary Medicine
Andrology and artificial insemination
General Veterinary Medicine – full-time study, English language
I. + II.
Veterinary Medicine
Clinical practice - Clinic of ruminants (including herd health management)
General Veterinary Medicine – full-time study, English language
I. + II.
Veterinary Medicine
General gynecology, obstetrics and andrology
General Veterinary Medicine – full-time study, English language
I. + II.
Veterinary Medicine
Diseases of ruminants I.
General Veterinary Medicine – full-time study, Slovak language
I. + II.
Veterinary Medicine
Diseases of ruminants I.
General Veterinary Medicine – full-time study, Slovak language
I. + II.
Veterinary Medicine
Clinical practice - Clinic of ruminants (including herd health management)
General Veterinary Medicine – full-time study, Slovak language
I. + II.
Veterinary Medicine
Reproduction and reproductive disorders (andrology and artificial insemination)
General Veterinary Medicine – full-time study, Slovak language
I. + II.
Veterinary Medicine
General gynecology, obstetrics and andrology
General Veterinary Medicine – full-time study, Slovak language
I. + II.
Veterinary Medicine
VI. Overview of research/artistic/other outputs

The last six completed calendar years: 2020–2025. The current year is excluded.

VI.1. Overview of research/artistic/other outputs and citations

TotalOver the last six years
VI.1.1 Number of research/artistic/other outputs1975
VI.1.2 Number of outputs registered in Web of Science or Scopus152
VI.1.3 Number of citations corresponding to research/artistic/other outputs15624
VI.1.4 Number of citations registered in Web of Science or Scopus9522
VI.1.5 Number of invited lectures at international and national level00

VI.2. The most significant research/artistic/other outputs

1.
MARAČEK, Imrich - HENDRICHOVSKÝ, Valentín - LAZAR, Gabriel - BEKEOVÁ, Eva - CHOMA, Ján - KRAJNIČÁKOVÁ, Mária - ELEČKO, Juraj. Some effects of D-cloprostenol (Remophan inf. av. Spofa) and possibilities of its use in the controlled reproduction of sheep. In: Biologizace a chemizace živočišné výroby. 1989. ISSN 0139-8571, Roč. 25, č. 6(1989), s. 545-557.
2.
LAZAR, Gabriel - KOVÁČ, Gabriel - POŠIVÁK, Ján - HORŇÁKOVÁ, Ľubica - VALOCKÝ, Igor - NOVOTNÝ, František - POŠIVÁKOVÁ, Serena. Experimental testing of intrauterine insemination in mouflon (Ovis gmelini musimon) with frozen semen. In: 9th Middle European Buiatrics Congress. Budapest, 6-11 July 2008. Budapest : Hungarian Assoication for Buiatrics, 2008. ISBN 978-963-87942-0-8, s. 106-109.
3.
LAZAR, Gabriel - POŠIVÁK, Ján - HORŇÁKOVÁ, Ľubica - VALOCKÝ, Igor - NOVOTNÝ, František - POŠIVÁKOVÁ, Serena. Morphological changes and decapitation of spermatozoa as causes of fertility disorders in breeding male mouflons (Ovis gmelini musimon). In: 9th Middle European Buiatrics Congress. Budapest, 6-11 July 2008. 338 s. 2008. ISBN 978-963-87942-0-8, s. 103-105.
4.
LAZAR, Gabriel - PETROVIČ, Vladimír - POŠIVÁK, Ján. Andrology : Practical lessons. Rec. Igor Valocký, Peter Reichel. 1. vyd. Košice : UVLF 2014. ISBN 978-80-8077-453-0, 83 s.
5.
LAZAR, Gabriel - POŠIVÁK, Ján - POŠIVÁKOVÁ, Serena - REICHEL, Peter - MACÁK, Vladimír - PETROVIČ, Vladimír - KOVÁČ, Gabriel - NOVOTNÝ, František. PCB influence to a chromozomal structure of in vitro cultivated oocytes in sheep. In: Veterinarska stanica. 2011. ISSN 0350-7149, Vol. 42, Suppl. 1 (2011), s. 293-295.

VI.3. The most significant research/artistic/other outputs over the last six years

1.
LAZAR, Gabriel - DOLNÍK, Michal - POŠIVÁK, Ján. Andrológia - praktické cvičenia. Rec. Igor Valocký, František Novotný. 1. vyd. Košice : UVLF 2021. ISBN 978-80-8077-729-6, 116 s. [3,1AH].
2.
DOLNÍK, Michal - MUDROŇOVÁ, Dagmar - LAZAR, Gabriel - KADAŠI, Marián - HORŇÁKOVÁ, Ľubica - MUDROŇ, Pavol. The effect of a single dose of selenium with vitamin E on oxidative stress and fertilization indicators of ram sperm over the course of spermatogenesis. In: Acta veterinaria Brno. 2023. ISSN 0001-7213, Vol. 92, no. 3 (2023), p. 259-265. (2023: 0.6 - IF, 0.7 - IF 5y, 0.232 - SJR, Q3 - SJR Best Q, Q3 - JCR Best Q, 0.113 - ABDC).
3.
DOLNÍK, Michal - MUDROŇOVÁ, Dagmar - LAZAR, Gabriel. Effect of selenium on bull´s sperm oxidative stress and viability under in vitro conditions. In: 20th Middle European Buiatrics Congress : Proceedings. 1. vyd. Ljubljana : Slovenian Buiatric Association, 2021. s. 97-105.
4.
DOLNÍK, Michal - KADAŠI, Marián - LAZAR, Gabriel - MEKKOVÁ, Simona - GLEMBOVÁ, Veronika - MUDROŇOVÁ, Dagmar - NAGY, Oskar. Breeding soundness evaluation focusing on penis examination in a bull – methodology and a case report. In: Acta veterinaria Brno. 2025. ISSN 0001-7213, Vol. 94, no. 2 (2025), p. 105-110. (2024: 0.7 - IF, 0.7 - IF 5y, 0.24 - SJR, Q3 - SJR Best Q, Q3 - JCR Best Q, 0.106 - ABDC).
5.
DOLNÍK, Michal - KADAŠI, Marián - MEKKOVÁ, Simona - GLEMBOVÁ, Veronika - MUDROŇOVÁ, Dagmar - LAZAR, Gabriel - JEŠÍK, Jakub - TÓTHOVÁ, Csilla. Assessment of different extenders effect on bull sperm viability. In: Middle European buiatrics congress. 24 Middle European buiatrics congress. 1. vyd. Košice : UVLF v Košiciach, 2025. online, s. 61.

VI.4. The most significant citations corresponding to research/artistic/other outputs

1.
DOLNÍK, Michal - MUDROŇOVÁ, Dagmar - POŠIVÁK, Ján - LAZAR, Gabriel - MUDROŇ, Pavol. Flow cytometry in assessment of sperm integrity and functionality – a review. In: Acta veterinaria Brno. 2019. ISSN 0001-7213, Vol. 88, no. 2 (2019), p. 169-175. (2019: 0.566 - IF, 36 - H-index, 0.658 - IF 5y, 0.216 - SJR, Q3 - SJR Best Q, Q3 - JCR Best Q, 0.108 - ABDC).
[1] BARBĂROȘIE, Cătălina - AGARWAL, Ashok - HENKEL, Ralf. Diagnostic value of advanced semen analysis in evaluation of male infertility. In Andrologia. ISSN 03034569, 2021-03-01, 53, 2, pp.
2.
DOLNÍK, Michal - MUDROŇOVÁ, Dagmar - POŠIVÁK, Ján - LAZAR, Gabriel - MUDROŇ, Pavol. Flow cytometry in assessment of sperm integrity and functionality – a review. In: Acta veterinaria Brno. 2019. ISSN 0001-7213, Vol. 88, no. 2 (2019), p. 169-175. (2019: 0.566 - IF, 36 - H-index, 0.658 - IF 5y, 0.216 - SJR, Q3 - SJR Best Q, Q3 - JCR Best Q, 0.108 - ABDC).
[1] YANG, Huiping - HU, E. - TIERSCH, Terrence - CARMICHAEL, Carrie - MATTHEWS, Jen - VARGA, Zoltan M. Temporal and concentration effects of methanol on cryopreservation of zebrafish (Danio rerio) Sperm. In Zebrafish. ISSN 15458547, 2020-08-01, 17, 4, pp. 233-242.
3.
VLČKOVÁ, Radoslava - VALOCKÝ, Igor - LAZAR, Gabriel - SOPKOVÁ, Drahomíra - MARAČEK, Imrich. Histological and Ultrasonographic Monitoring of Folliculogenesis in Puerperal Ewes after Spring Lambing. In: Acta veterinaria Brno. 2008. ISSN 0001-7213, vol. 77, č. 1 (2008), s. 65-72. (2008: 0.395 - IF, 36 - H-index, 0.566 - IF 5y, 0.249 - SJR, Q3 - SJR Best Q, Q3 - JCR Best Q, 0.097 - ABDC).
[1] POSIVAKOVA, Terezia - SVAJLENKA, Jozef - POSIVAK, Jan - POKORADI, Jaroslav - HROMADA, Rudolf - KORIM, Peter - MOLNAR, Ladislav. The Influence of Age on the Activity of Selected Biochemical Parameters of the Mouflon (Ovis musimon L.). In ANIMALS. ISSN 2076-2615, 2019, vol. 9, no. 5, pp.
4.
MACÁK, Vladimír - DEKÁNY, J. - HAJURKA, Jaroslav - REICHEL, Peter - STYKOVÁ, Eva - NOVOTNÝ, František - KOVÁČ, Gabriel - LAZAR, Gabriel - POŠIVÁK, Ján. Comparison of exfoliative vaginal cells from vestibule and vagina of cows during various stages of oestrous cycle. In: Veterinarska stanica. 2011. ISSN 0350-7149, Vol. 42, Suppl. 1 (2011), s. 125-131.
[1] SUEBKHAMPET, Araya - CHAIKHUN-MARCOU, Thuchadaporn. Vaginal cytology in Buffaloes: A review. In Buffalo Bulletin. ISSN 01256726, 2019-07-01, 38, 3, pp. 399-412.
5.
DOLNÍK, Michal - MUDROŇOVÁ, Dagmar - POŠIVÁK, Ján - LAZAR, Gabriel - MUDROŇ, Pavol. Flow cytometry in assessment of sperm integrity and functionality – a review. In: Acta veterinaria Brno. 2019. ISSN 0001-7213, Vol. 88, no. 2 (2019), p. 169-175. (2019: 0.566 - IF, 36 - H-index, 0.658 - IF 5y, 0.216 - SJR, Q3 - SJR Best Q, Q3 - JCR Best Q, 0.108 - ABDC).
[1] YÁNIZ, Jesús L. - SILVESTRE, Miguel A. - SANTOLARIA, Pilar. Sperm quality assessment in honey bee drones. In Biology, 2020-07-01, 9, 7, pp. 1-16.

VI.5. Participation in conducting or leading the most important projects over the last six years

1.
Scientific grant agency (Ministry of education, science, research and sport of the Slovak Republic) 1/0398/18 – Analysis of blood serum proteins in the evaluation of the internal environment and diagnosis of animal diseases. Project period: 2018–2021.
VII. Overview of organizational experience related to higher education and research/artistic/other activities

No records yet.

VIII. Overview of international mobilities and visits oriented on education and research/artistic/other activities in the given field of study
InstitutionAddressMobility scheme, employment contract, otherYear
Tierarztliche Hochschule Hannover
Bischofholer - Damm 15, Hanover
1988 – 1989
IX. Other relevant facts

No records yet.