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001-es BibID:BIBFORM111042
035-os BibID:(WoS)000987004100001 (Scopus)85159145210
Első szerző:Ilie, Daniela Elena
Cím:Kompetitive Allele Specific PCR Genotyping of 89 SNPs in Romanian Spotted and Romanian Brown Cattle Breeds and Their Association with Clinical Mastitis / Daniela Elena Ilie; Dinu Gavojdian; Szilvia Kusza; Radu Ionel Neamț; Alexandru Eugeniu Mizeranschi; Ciprian Valentin Mihali; Ludovic Toma Cziszter
Dátum:2023
ISSN:2076-2615
Megjegyzések:Mastitis is the most common production disease in the dairy sector worldwide, its incidence being associated with both cows` exposure to bacteria and the cows` genetic make-up for resistance to pathogens. The objective of our study was to analyse 89 missense SNPs belonging to six genes (CXCR2, CXCL8, TLR4, BRCA1, LTF, BOLA-DRB3), which were found to be associated with genetic resistance or susceptibility to mastitis. A total of 298 cattle (250 Romanian Spotted and 48 Romanian Brown) were genotyped by Kompetitive Allele Specific PCR (KASP) and a chi-squared test was used for genetic association studies with clinical mastitis. A total of 35 SNPs (39.3%) among the selected 89 SNPs were successfully genotyped, of which 31 markers were monomorphic. The polymorphic markers were found in two genes: TLR4 (rs460053411) and BOLA-DRB3 (rs42309897, rs208816121, rs110124025). The polymorphic SNPs with MAF > 5% and call rates > 95% were used for the association study. The results showed that rs110124025 in the BOLA-DRB3 gene was significantly associated with mastitis prevalence (p ? 0.05) in both investigated breeds. Current results show that the SNP rs110124025 in the BOLA-DRB3 gene can be used as a candidate genetic marker in selection for mastitis resistance in Romanian dairy cattle.
Tárgyszavak:Agrártudományok Állattenyésztési tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
KASP
mastitis
polymorphism
Romanian Brown
Romanian Spotted
Megjelenés:Animals. - 13 : 9 (2023), p. 1-13. -
További szerzők:Gavojdian, Dinu Kusza Szilvia (1979-) (agrármérnök) Neamt, Radu Mizeranschi, Alexandru Eugeniu Ciprian, Valentin Mihali Cziszter, Ludovic Toma
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2.

001-es BibID:BIBFORM131377
Első szerző:Kusza Szilvia (agrármérnök)
Cím:Calcium Metabolism, Immunity and Reproduction in Early Postpartum Dairy Cows / Szilvia Kusza, Zoltán Bagi, Putri Kusuma Astuti, George Wanjala, Ottó Szenci, Árpád Csaba Bajcsy
Dátum:2025
ISSN:2076-2615
Tárgyszavak:Agrártudományok Állattenyésztési tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Megjelenés:Animals. - 15 : (2025), p. 1-14. -
További szerzők:Bagi Zoltán (1987-) (természetvédelmi mérnök, állatgenetika) Astuti, Putri Kusuma (1994-) (állattenyésztési genetikus) Wanjala, George (1984-) (Animal scientist) Szenci Ottó Bajcsy Árpád Csaba
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DOI
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3.

001-es BibID:BIBFORM127336
035-os BibID:(WoS)001418465300001 (Scopus)85217615706
Első szerző:Kusza Szilvia (agrármérnök)
Cím:A Global Comparative Genomic Analysis of Major Bacterial Pathogens in Bovine Mastitis and Lameness / Szilvia Kusza, Zoltán Bagi
Dátum:2025
ISSN:2076-2615
Megjegyzések:This study presents a comprehensive genomic reanalysis of major bacterial pathogens causing bovine mastitis and lameness, focusing on Staphylococcus aureus, Escherichia coli, Fusobacterium necrophorum, and Treponema phagedenis. Through our analysis of 4326 bacterial genomes from global databases, we identified distinct patterns in genomic diversity, virulence factors and antimicrobial resistance genes across these species. E. coli showed the highest genomic diversity with 3779 isolates, of which 98% exhibited high-quality genome sequences. Similarly, S. aureus demonstrated significant genomic plasticity across 524 isolates, with 99.8% classified as high-quality genomes. Geographical analysis revealed distinct regional variations in strain distribution, with North America contributing 45.3% of all isolates, followed by Asia (21.2%) and Europe (18.1%). Furthermore, we identified novel virulence mechanisms and resistance patterns specific to each pathogen, with particular emphasis on the evolution of antimicrobial resistance genes. Our findings provide crucial insights into pathogen adaptation and host-microbe interactions, suggesting the need for region-specific intervention strategies. These results have significant implications for developing targeted therapeutic approaches and improving bovine health management practices.
Tárgyszavak:Agrártudományok Állattenyésztési tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Megjelenés:Animals. - 15 (2025), p. 1-18. -
További szerzők:Bagi Zoltán (1987-) (természetvédelmi mérnök, állatgenetika)
Internet cím:Intézményi repozitóriumban (DEA) tárolt változat
DOI
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4.

001-es BibID:BIBFORM130691
Első szerző:Mincu-Iorga, Madalina
Cím:Detection of Genetic Variants Associated with BehaviouralResponse During Milking in Simmental Dual-Purpose Cows / Madalina Mincu-Iorga, Alexandru Eugeniu Mizeranschi, Dinu Gavojdian, Ioana Nicolae, Szilvia Kusza, Daniela Elena Ilie
Dátum:2025
ISSN:2076-2615
Megjegyzések:Cows` behaviour during milking is an important trait for both theirwell-being and overall farm efficiency. Calmer cows can make the milking process easier,reduce duration, and increase farm productivity. However, even when proper handling ispracticed, some cows remain restless and threaten the safety of their herd mates and that ofthe animal caretakers. In this study, we investigated whether these behavioural differencesare linked to cows` genetic makeup. The study focused on the Simmental dual-purposebreed, with cows being observed for their behaviour during milking. We identified specificgenetic markers that were associated with how cows reacted during milking. The resultssuggest that behaviour during milking has a genetic component in dual-purpose breedsand that it might be possible to select cows not only for classical traits such as milk yield,but also for workability traits
Tárgyszavak:Agrártudományok Állattenyésztési tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
animal welfare
genetic markers
milking behaviour
Romanian Spotted
Megjelenés:Animals. - 15 : 12 (2025), p. 1-13. -
További szerzők:Mizeranschi, Alexandru Eugeniu Gavojdian, Dinu Nicolae, Ioana Kusza Szilvia (1979-) (agrármérnök) Ilie, Daniela Elena
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5.

001-es BibID:BIBFORM132374
Első szerző:Ohran, Husein
Cím:Thermal Stress Response Profiling Reveals Adaptive Advantages of Indigenous Hercegovaćka and Dubska Pramenka Sheep / Husein Ohran, Naris Pojskic, Jasmin Ramic, Szilvia Kusza, Naida Lojo-Kadric, Aida Hodzic
Dátum:2025
ISSN:2076-2615
Tárgyszavak:Agrártudományok Állattenyésztési tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Megjelenés:Animals. - 15 : 18 (2025), p. 1-19. -
További szerzők:Pojskic, Naris Ramic, Jasmin Kusza Szilvia (1979-) (agrármérnök) Lojo-Kadric, Naida Hodzic, Aida
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6.

001-es BibID:BIBFORM123394
035-os BibID:(WoS)001304999500001 (Scopus)85202614084
Első szerző:Pius, Lenox Omondi
Cím:African Local Pig Genetic Resources in the Context of Climate Change Adaptation / Lenox Pius, Shuntao Huang, George Wanjala, Zoltán Bagi, Szilvia Kusza
Dátum:2024
ISSN:2076-2615
Megjegyzések:frica is home to a wide diversity of locally adapted pig breeds whose genetic architectureoffers important insights into livestock adaptation to climate change. However, the majority of theseinherent traits have not been fully highlighted. This review presents an overview of the currentstate of African pig genetic resources, providing highlights on their population and productionstatistics, production system, population diversity indices, and genomic evidence underlying theirevolutionary potential. The study results reveal an incomplete characterization of local pig genotypesacross the continent. The characterized population, however, demonstrates moderate to high levelsof genetic diversity, enough to support breeding and conservation programs. Owing to low geneticdifferentiation and limited evidence of distinct population structures, it appears that most localpig populations are strains within larger breeds. Genomic evidence has shown a higher numberof selection signatures associated with various economically important traits, thus making thempotential candidates for climate change adaptation. The reportedly early evidence of hybridizationwith wild suid groups further suggests untapped insights into disease resistance and resilience traitsthat need to be illuminated using higher-density markers. Nevertheless, gene introgression fromcommercial breeds is prevalent across Africa; thus, efforts to realize and utilize these traits mustincrease before they are permanently depleted.
Tárgyszavak:Agrártudományok Állattenyésztési tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
African local pig genetic resource
diversity
natural selection
selection signature
microsatellite maker
production system
SNP genotyp
Megjelenés:Animals. - 14 : 16 (2024), p. 1-22. -
További szerzők:Huang, Shuntao Wanjala, George (1984-) (Animal scientist) Bagi Zoltán (1987-) (természetvédelmi mérnök, állatgenetika) Kusza Szilvia (1979-) (agrármérnök)
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7.

001-es BibID:BIBFORM106676
035-os BibID:(WoS)000914082600001 (Scopus)85146777802
Első szerző:Wanjala, George (Animal scientist)
Cím:An on-station analysis of factors affecting growth traits of Pure Red Maasai and Dorper sheep breeds under an extensive production system / George Wanjala, Nelly Kichamu, Ludovic Toma Cziszter, Putri Kusuma Astuti, Szilvia Kusza
Dátum:2023
ISSN:2076-2615
Megjegyzések:This comparative study aimed to evaluate genetic and environmental factors` effects on thegrowth traits of lambs in Dorper and Red Maasai (RedM) sheep breeds. The data analyzed containedthe following measurements: birth weight (Bwt), weaning weight (Wwt), yearling weight (Ywt), birthtype (single or twins), and details on each lamb`s dam (dam ID and age) and sire. Except for the RedM,whose birth weight decreased with time, both breeds generally showed an increase in other growthweights across the study period, with yearly variations affecting both breeds. Additionally, analysis bya linear mixed model with restricted maximum likelihood (REML) showed that only breed as a factorsignificantly (p< 0.05) influenced birth weight; breed, sex, and birth type all significantly (p< 0.05)influenced weaning weight, whereas season, sex, and dam age significantly (p< 0.05) influencedyearling weight. The RedM breed outperformed the Dorper breed in post-weaning growth rate,demonstrating early resilience and adaptation to local environmental factors independent of maternalinfluence. Breed and non-genetic factors play a vital role in the growth of lambs, and the resultsof this study offer an opportunity for improved farm management under an extensive productionsystem and selection for the conservation of the indigenous Red Maasai breed.
Tárgyszavak:Agrártudományok Állattenyésztési tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
weaning weight
yearling weight
growth traits
non-genetic factors
extensive production
Megjelenés:Animals. - 13 : 2 (2023), p. 1-10. -
További szerzők:Kichamu, Nelly (1978-) (Animal scientist) Cziszter, Ludovic Toma Astuti, Putri Kusuma (1994-) (állattenyésztési genetikus) Kusza Szilvia (1979-) (agrármérnök)
Pályázati támogatás:Tempus Public Foundation
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