TÓTHOVÁ, Csilla - SESZTÁKOVÁ, Edina - GALIKOVÁ, Blanka - GLEMBOVÁ, Veronika - ORŠUĽAKOVÁ, Veronika - NAGY, Oskar. Changes in serum protein profile in laying hens housed in a cage-free system. In Veterinary Medicine International. ISSN 2042-0048, 2024, vol. 2024, no. 1, art. no. 135744, p. [1-9]

Basic data
OCA1. Surname awarded to the assessed person	Nagy
OCA2. Name awarded to the assessed person	Oskar
OCA3. Degrees awarded to the assessed person	Prof. , DVM, PhD
OCA4. Hyperlink to the entry of the person in the Register of university staff	https://www.portalvs.sk/regzam/detail/6036
OCA5. Area of assessment	habilitation and inauguration procedure – general veterinary medicine
OCA6. Category of the research/artistic/other output	scientific output
OCA7. Year of publication of the research/artistic/other output	2024
OCA8. ID of the record in the Central Registry of Publication Activity (CRPA) or the Central Registry of Artistic Activity (CRAA)	1268363
OCA9. Hyperlink to the record in CRPA or CRAA	" https://app.crepc.sk/?fn=detailBiblioForm&sid=23E35B476CDBF92DB521B8A28BDF "
Characteristics of the output that is not registered in CRPA or CRAA
OCA10. Hyperlink to the record in another publicly accessible register, catalogue of research/ artistic/other outputs	https://onlinelibrary.wiley.com/doi/full/10.1155/vmi/4135744
OCA11. Characteristics of the output in the format of the CRPA or the CRAA bibliographic record, if the output is not available in a publicly accessible register or catalogue of outputs	TÓTHOVÁ, Csilla - SESZTÁKOVÁ, Edina - GALIKOVÁ, Blanka - GLEMBOVÁ, Veronika - ORŠUĽAKOVÁ, Veronika - NAGY, Oskar. Changes in serum protein profile in laying hens housed in a cage-free system. In Veterinary Medicine International. ISSN 2042-0048, 2024, vol. 2024, no. 1, art. no. 135744, p. [1-9]
OCA12. Type of the output (if the output is not registered in CRPA or CRAA)	article
OCA13. Hyperlink to the webpage where the output is available (full text, other documentation, etc.)	https://doi.org/10.1155/vmi/4135744
OCA14. Characteristics of the author's contribution	The author is the bearer of the main ideas and co-creator of the output.
OCA15. Annotation of the output with contextual information concerning the description of creative process and the content of the research/artistic/other activity, etc.	The objective of this study was to characterize the distribution of serum proteins in laying hens reared under cage-free open farm conditions and to evaluate the changes in the concentrations of serum protein fractions throughout the 1-year laying period. Ten Dekalb White white-egg–laying hens were blood sampled from the wing vein at 17, 22, 29, 38, 50, 60, and 70 weeks of age. Egg laying was observed at 18 weeks of age. Five protein fractions were identified on the serum protein electrophoretogram of the hens, including albumin, α1-, α2-, β-, and γ-globulins. The size and shape of the fractions differed significantly according to the stage of the laying period. Significant changes were detected in the ratio of all individual protein fractions as well as in the concentrations of total proteins and protein fractions. The A/G ratios were higher before and at the beginning of the laying period, and the lowest values were obtained in weeks with the highest egg production. These findings suggest that the beginning of egg production is the most critical period in the laying cycle of hens reared under alternative farming conditions characterized by the most marked alterations in the serum protein profile.
Other data
OCA16. Annotation of the output in English	The objective of this study was to characterize the distribution of serum proteins in laying hens reared under cage-free open farm conditions and to evaluate the changes in the concentrations of serum protein fractions throughout the 1-year laying period. Ten Dekalb White white-egg–laying hens were blood sampled from the wing vein at 17, 22, 29, 38, 50, 60, and 70 weeks of age. Egg laying was observed at 18 weeks of age. Five protein fractions were identified on the serum protein electrophoretogram of the hens, including albumin, α1-, α2-, β-, and γ-globulins. The size and shape of the fractions differed significantly according to the stage of the laying period. Significant changes were detected in the ratio of all individual protein fractions as well as in the concentrations of total proteins and protein fractions. The A/G ratios were higher before and at the beginning of the laying period, and the lowest values were obtained in weeks with the highest egg production. These findings suggest that the beginning of egg production is the most critical period in the laying cycle of hens reared under alternative farming conditions characterized by the most marked alterations in the serum protein profile.
OCA17. List of maximum 5 most significant citations corresponding to the output	[1]/[1] SERRA, Valentina - LEONE, Francesca - HARPER, Valeria - FIORINI, Lorenzo - DEL ZOZZO, Francesca - CHABRILLAT, Thibaut - CARLU, Claire - ARCHETTI, Ivonne Laura - PASTORELLI, Grazia - TEDESCO, Doriana Eurosia Angela - GUERRINI, Alessandro. New association of milk thistle and artichoke extracts enhances egg quality in caged-laying hens. In FRONTIERS IN VETERINARY SCIENCE, 2025, vol. 12, no., pp. Dostupné na: https://doi.org/10.3389/fvets.2025.1702920., Registrované v: Scopus, WOS [1]/[1] ANAM, Moh Sofi\'ul - MUSLYKHAH, Uswatun - SADID, Muhammad Maulana - NOVIANDI, Cuk Tri - ASTUTI, Andriyani - PARADHIPTA, Dimas Hand Vidya - AGUS, Ali. Effects of microalgae supplementation on performance, egg quality, yolk fatty acid levels, and blood parameters in laying hens: a meta-analysis. In SCIENTIFIC REPORTS, 2025, vol. 15, no. 1, pp. ISSN 2045-2322. Dostupné na: https://doi.org/10.1038/s41598-025-28515-3., Registrované v: Scopus, WOS [1]/[1] Brandon, Jeffrey a ; Reider, Heather b ; Pabilonia, Kristy L. b ; Moore, A Russell a Send mail to Moore A.R., Electrophoretic Plasma Protein Reference Intervals for Backyard Chickens From Northern Colorado, Veterinary Clinical Pathology, ArticleOpen Access2025 DOI: 10.1111/vcp.70066 [1]/[1] Zion J.S. , de Matos R. , Belcher N. , Newman A.W., Comparison of Plasma Protein Fractions and Electrophoretograms in Non-Laying and Egg-Laying Domestic Chickens, Veterinary Clinical Pathology, ArticleOpen Access2026 DOI: 10.1111/vcp.70135 [1]/[1] Klimowicz P. , Tomczak A. , Hejdysz M. ,... Cieslak A. , Zielinska-Dawidziak M., Hens\' diet manipulation: Effects of addition of lupine seeds and soybean meal on amino acid and protein composition in hens\' meat and blood, Food ChemistryArticle2026 DOI: 10.1016/j.foodchem.2026.149125
OCA18. Characteristics of the output's impact on socio-economic practice	The present study significantly expands the current knowledge in the field of serum protein fraction analysis in laying hens and has shown significant differences in serum protein composition in laying hens before the onset of lay and during lay. The results indicate significant developmental changes in serum protein structure with age and in relation to lay. Among these observed changes, changes in all monitored protein profile parameters deserve attention. These findings indicate that the onset of egg production is the most critical period in the laying cycle of hens kept in alternative housing conditions, characterized by the most pronounced changes in serum protein profile.
OCA19. Characteristics of the output and related activities' impact on the educational process	The outputs are applicable in the educational process.