| Basic data |
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| OCA1. Surname awarded to the assessed person | Nagy |
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| OCA2. Name awarded to the assessed person | Jozef |
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| OCA3. Degrees awarded to the assessed person | Prof. , DVM, PhD |
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| OCA4. Hyperlink to the entry of the person in the Register of university staff | https://www.portalvs.sk/regzam/detail/6021 |
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| OCA5. Area of assessment | habilitation and inauguration procedure – food hygiene and the environment |
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| OCA6. Category of the research/artistic/other output | scientific output |
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| OCA7. Year of publication of the research/artistic/other output | 2021 |
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| OCA8. ID of the record in the Central Registry of Publication Activity (CRPA) or the Central Registry of Artistic Activity (CRAA) | ID: 253970 |
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| OCA9. Hyperlink to the record in CRPA or CRAA | https://app.crepc.sk/?fn=detailBiblioForm&sid=992271BC46F7F8BACA7F96ABA7 |
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| Characteristics of the output that is not registered in CRPA or CRAA |
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| OCA10. Hyperlink to the record in another publicly accessible register, catalogue of research/ artistic/other outputs | https://www.webofscience.com/wos/woscc/full-record/WOS:000642702300001 |
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| 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 | ADC /V3 HUDÁK, Marek - SEMJON, Boris - MARCINČÁKOVÁ, Dana - BUJŇÁK, Lukáš - NAĎ, Pavel - KORÉNEKOVÁ, Beáta - NAGY, Jozef - BARTKOVSKÝ, Martin - MARCINČÁK, Slavomír . Effect of broilers chicken diet supplementation with natural and acidified humic substances on quality of produced breast meat. In Animals. ISSN 2076-2615, 2021, vol. 11, no. 4, art. no. 1087, p. [1-15]. (2020: 2.752 - IF, 2.942 - IF 5y, 34 - H-index, 0.584 - SJR, Q1 - SJR Best Q, Q1 - JCR Best Q). |
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| OCA12. Type of the output (if the output is not registered in CRPA or CRAA) | |
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| OCA13. Hyperlink to the webpage where the output is available (full text, other documentation, etc.) | https://www.mdpi.com/2076-2615/11/4/1087/htm |
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| OCA14. Characteristics of the author's contribution | Physicochemical and organoleptic analyses of samples; data processing/Physicochemical and organoleptic analyses of samples; data processing. |
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| OCA15. Annotation of the output with contextual information concerning the description of creative process and the content of the research/artistic/other activity, etc. | Meat quality can be influenced by adding supplements to the animals’ diet. Humic substances (HS) are natural products that have the potential to improve the meat quality of broiler chickens. HS are used in poultry farming as anti-diarrheal, analgesic, immunostimulatory, and antimicrobial agents. The effect of natural and acidified HS supplements on the quality characteristics of broiler meat (growth performance, dressing yield, physicochemical composition, lipid oxidation, antioxidant activity of meat extracts, and sensory and color properties) was investigated. Both supplements consisted of leonardite, with the acidified HS treated with formic acid for better digestibility. The quality of breast meat from the experimental groups of broilers fed HS was influenced by total protein and fat content, and both groups exhibited lower lipid oxidation and higher antioxidant activity of meat extracts after a storage period (7 days at 4 ± 2 °C). |
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| Other data |
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| OCA16. Annotation of the output in English | Meat quality can be influenced by incorporating additives into an animal’s diet. Humic substances (HS) are natural products which have the potential to improve the meat quality of broiler chickens. HS are used as antidiarrheal, analgesic, immunostimulatory, and antimicrobial agents in poultry production. The effects of natural and acidified HS supplements on broiler meat quality traits (growth performance, carcass yield, physicochemical composition, lipid oxidation, antioxidant activity of meat extracts, and sensory and colour characteristics) were studied. Both supplements were composed of Leonardite, whereby the acidified HS were treated with formic acid for better digestibility. The breast meat quality of experimental broiler groups fed with HS were affected in total protein and fat content, and both showed lower lipid oxidation and higher antioxidant activity of meat extracts after the storage period (7 days at 4 ± 2 °C). |
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| OCA17. List of maximum 5 most significant citations corresponding to the output | 2021: [1] CHASHMIDARI, Yousef - ESMAIELZADEH, Ladan - KARIMI-TORSHIZI, Mohammad-Amir - SEIDAVI, Alireza - DA SILVA ARAUJO, Cristiane Soares - ARAUJO, Lucio Francelino. Feed supplementation with vermi-humus and earthworm (Eisenia foetida) powder on broiler productivity. In ITALIAN JOURNAL OF ANIMAL SCIENCE. ISSN 1594-4077, 2021, vol. 20, no. 1, pp. 1054-1062. [WoS];
2021: [1] TETER, Anna - KEDZIERSKA-MATYSEK, Monika - BARLOWSKA, Joanna - KROL, Jolanta - BRODZIAK, Aneta - FLOREK, Mariusz. The Effect of Humic Mineral Substances from Oxyhumolite on the Coagulation Properties and Mineral Content of the Milk of Holstein-Friesian Cows. In ANIMALS. ISSN 2076-2615,
2021: [1] TETER, Anna - KEDZIERSKA-MATYSEK, Monika - BARLOWSKA, Joanna - KROL, Jolanta - BRODZIAK, Aneta - FLOREK, Mariusz. The Effect of Humic Mineral Substances from Oxyhumolite on the Coagulation Properties and Mineral Content of the Milk of Holstein-Friesian Cows. In ANIMALS. ISSN 2076-2615, 2021, vol. 11, no. 7, pp. [WoS]; 2022: [1] XIAO, Gengsheng - LIU, Shun - YAN, Xia - YANG, Yang - QI, Qien - FENG, Xin - GONG, Li - ZHANG, Huihua. Effects of fulvic acid addition on laying performance, biochemical indices, and gut microbiota of aged hens. In FRONTIERS IN VETERINARY SCIENCE, 2022, vol. 9, no., pp. Dostupné na: https://doi.org/10.3389/fvets.2022.953564;
2023: [1] CHENG, Ziyue - JIA, Yuke - BAI, Yueyang - ZHANG, Tianzuo - REN, Ke - ZHOU, Xinying - ZHAI, Yijie - SHEN, Xiaoxu - HONG, Jinglan. Intensifying the environmental performance of chicken meat production in China: From perspective of life cycle assessment. In JOURNAL OF CLEANER PRODUCTION, 2023, vol. 384, no., pp. ISSN 0959-6526. Dostupné na: https://doi.org/10.1016/j.jclepro.2022.135603
2025: [1] HUANHONG, Kiattisak - LUMSANGKUL, Chompunut - ARJIN, Chaiwat - SIRILUN, Sasithorn - TANGPAO, Tibet - WANG, Yu Lei - MEKTRIRAT, Raktham - LIN, Chen Si - SOMMANO, Sarana Rose - SRINGARM, Korawan. Dietary supplementation of coffee pulp extract enhances growth performance and intestinal morphology in broiler chicken. In Poultry Science, 2025-03-01, 104, 3, pp. ISSN 00325791. Dostupné na: https://doi.org/10.1016/j.psj.2025.104873. |
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| OCA18. Characteristics of the output's impact on socio-economic practice | A 0.7% supplementation of HS in both its natural and acidified forms to broiler feed significantly affected the composition and quality of breast meat. The fat content and pH of the meat decreased, and the meat had a lighter color. We also observed a significant effect of adding HS to the feed on meat quality during storage. |
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| OCA19. Characteristics of the output and related activities' impact on the educational process | The results are used in the theoretical and practical instruction of students in courses focused on health safety and the quality of poultry meat. |
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