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001-es BibID:	BIBFORM135175
Első szerző:	Mohammed, Elshafia Ali Hamid (agrármérnök)
Cím:	Growth Performance, Gut Integrity and Intestinal Microbiome Responses of Juvenile Common Carp (Cyprinus carpio L.) to Probiotic and Prebiotic Supplementation / Elshafia Ali Hamid Mohammed, Milán Fehér, Péter Bársony, Christopher Teye-Gaga, Levente Czeglédi, Csongor Freytag, Alex Váradi, Abdelhakam Esmaeil Mohamed Ahmed, Károly Pál
Dátum:	2026
ISSN:	2076-2615
Megjegyzések:	The aim of this study was to examine the impact of the probiotics Saccharomyces cerevisiae (SC) and Pediococcus acidilactici (PA), as well as the prebiotic yeast cell wall extract (Cyberlindnera jadinii and S. cerevisiae) (YP), on the growth parameters, intestinal histomorphology, liver and gills normality, and gut microbiome of common carp (Cyprinus carpio L.). These feed supplements were subjected to a 60-day experimental period, during which 120 fish (26.4 ? 5.2 g) were distributed into four groups, with each group comprising 30 fish. The feed supplements were administered at a rate of 1 g/kg of body weight. Before the trial, the fish were acclimatized for two weeks, then injected with Passive Integrated Transponder (PIT) tags. The results showed that none of the feed supplements exhibited a significant effect (p > 0.05) on growth indices. In contrast, the villi length, villi width, muscular thickness, and crypt depth in the anterior, mid, and posterior intestine of the SC group exhibited significant (p < 0.05) improvements compared to the other groups. No alteration or abnormal growth were noticed in the gills and livers. The most dominant microbe genera in all groups, with abundances greater than 60% of the total, were Cetobacterium and Aeromonas. However, Polynucleobacter, Nordella, Mycoplasma, Romboutsia, and Staphylococcus species were present at lower abundances. The presence of Actinobacteria has been observed only in the intestine of fish that have been fed a diet supplemented with PA. It can be concluded that the tested probiotics and the yeast cell wall prebiotic have the potential to produce a remarkable improvement in intestinal morphology and a considerable change in the gut microbiome without notable effect on growth, livers, or gills of common carp.
Tárgyszavak:	Agrártudományok Állattenyésztési tudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk common carp Pediococcus acidilactici Saccharomyces cerevisiae yeast extract histomorphology oxford nanopore sequencing gut microbiota
Megjelenés:	Animals. - 16 : 3 (2026), p. 433. -
További szerzők:	Fehér Milán (1985-) (agrármérnök) Bársony Péter (1975-) (agrármérnök) Teye-Gaga, Christopher (1979-) Czeglédi Levente (1977-) (agrármérnök) Freytag Csongor (1993-) (biológus) Váradi Alex (1991-) (biológus) Ahmed, Abdelhakam Esmaeil Mohamed (1984-) (Food Engineer) Pál Károly (1978-) (mikrobiológus)
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001-es BibID:	BIBFORM120620
Első szerző:	Mohammed, Elshafia Ali Hamid (agrármérnök)
Cím:	Impact of Pediococcus acidilactici, Saccharomyces cerevisiae and yang on growth, morphometric parameters and intestinal parameters of the common carp (Cyprinus carpio L.) / Elshafia Ali Hamid Mohammed; Milán Fehér; Péter Bársony; Brigitta Csernus; Christopher Teye-Gaga; Abdelhakam Esmaeil Mohamed Ahmed; Károly Pál
Dátum:	2024
ISBN:	978-963-306-980-6
Tárgyszavak:	Agrártudományok Állattenyésztési tudományok előadáskivonat könyvrészlet
Megjelenés:	21st Wellmann International Scientific Conference : Book of Abstracts / ed. Ingrid Melinda Gyalai; Szilárd Czóbel. - p. 91. -
További szerzők:	Fehér Milán (1985-) (agrármérnök) Bársony Péter (1975-) (agrármérnök) Csernus Brigitta (1991-) (élelmiszerbiztonsági és -minőségi mérnök) Teye-Gaga, Christopher (1979-) Ahmed, Abdelhakam Esmaeil Mohamed (1984-) (Food Engineer) Pál Károly (1978-) (mikrobiológus)
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001-es BibID:	BIBFORM117426
Első szerző:	Mohammed, Elshafia Ali Hamid (agrármérnök)
Cím:	Effect of selected feed additives on growth performance and the intestinal microbiota of the Common carp (Cyprinus carpio) / Elshafia Ali Hamid Mohammed, Milán Fehér, Péter Bársony, Abdelhakam Esmaeil Mohamed Ahmed, Ayaz Mukarram Shaikh, Károly Pál
Dátum:	2023
Megjegyzések:	The research aimed to examine the impact of various feed additives on the growth performance and intestinal microbiota of the common carp (Cyprinus carpio). Three different feed additives including Bactocell (live lactic acid bacterium Pediococcus acidilactici CNCM I-4622 MA 18/5M), Levucell (probiotic derived from the fungus Saccharomyces cerevisiae boulardii CNCM I-1079) and YANG prebiotic (Saccharomyces cerevisiae AQP1260, S. cerevisiae AQP 12988 and Cyberlindnera jandinii AQP 12549) were tested at the concentration of 1% (10 g/1 kg of basic diets) in addition to the control (basic feed only). Fish with average body weight (g) of 932?163 were fed with supplemented diet for 45 days in a recirculation system (RAS). The RAS contains 12 units (size=1000 liter each unit, 8 fish per unit). Water temperature, pH, total dissolved solids, dissolved oxygen, NO-2 , NO-3 , and NH+4 concentrations were maintained within optimal levels. After the end of the feeding experiment, fish feces samples were collected and the bacterial community structure found in the intestines of common carp was analyzed through a metagenomic approach using 16S rDNA sequencing. The results indicated that there was no significant effect (P<0.05) of the tested feed additives (Bactocell, Levucell and YANG) on growth performance (final body weight), feed conversion ratio (FCR) and specific growth rate (SGR). The results of the metagenomic data of carp fed with a diet supplemented with YANG showed 11 different groups of bacterial phyla detected with the top three phyla, namely Fusobacteria (55%), Firmicutes (36%), and Proteobacteria (6%). In contrast, fecal samples from carp fed with 1% Bactocell recorded 10 phyla. The top three phyla were Proteobacteria (70%), Fusobacteria (21%), and Firmicutes (5%). A sample of carp fed with Levucell recorded 9 phyla, the top three phyla were Fusobacteria (50%), Proteobacteria (35%), and Firmicutes (14%). Finally, samples from carp fed with the basal diet (the control) recorded 14 phyla. The top three phyla recorded were Fusobacteriota (68%), Proteobacteria (27%), and Bacteroidota (3%). The study found that the tested feed additives did not significantly affect the growth performance of common carp. However, they did lead to variations in the composition of the intestinal microbiota of the common carp.
ISBN:	978-80-552-2660-6
Tárgyszavak:	Agrártudományok Állattenyésztési tudományok előadáskivonat könyvrészlet Bactocell Levucell YANG Common carp 16S rRNA gene.
Megjelenés:	Scientific Conference of PhD Students of FAFR, FBFS and FHLE SUA in Nitra with international participation - Proceedings of abstracts on occasion of the Science and Technology Week in the Slovak Republic / ed. Monika Tóthová, Judita Lidiková, Kristína Candráková, Dominik Holly. - p. 19. -
További szerzők:	Fehér Milán (1985-) (agrármérnök) Bársony Péter (1975-) (agrármérnök) Ahmed, Abdelhakam Esmaeil Mohamed (1984-) (Food Engineer) Shaikh, Ayaz Mukarram (1991-) (PhD candidate) Pál Károly (1978-) (mikrobiológus)
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