{"refrec":{"BRefID":256654,"RR":"<b>Schaeck, M.; Duchateau, L.; Van Den Broeck, W.; Van Trappen, S.; De Vos, P.; Coulombet, C.; Boon, N.; Haesebrouck, F.; Decostere, A.</b> (2016). <i>Vibrio lentus</i> protects gnotobiotic sea bass (<i>Dicentrarchus labrax</i> L.) larvae against challenge with <i>Vibrio harveyi</i>. <i>Vet. Microbiol. 185</i>: 41-48. <a href=\"https://dx.doi.org/10.1016/j.vetmic.2016.01.024\" target=\"_blank\">https://dx.doi.org/10.1016/j.vetmic.2016.01.024</a>","BEntID":248663,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Vet. Microbiol. 185</i>: 41-48. <a href=\"https://dx.doi.org/10.1016/j.vetmic.2016.01.024\" target=\"_blank\">https://dx.doi.org/10.1016/j.vetmic.2016.01.024</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Schaeck, M.; Duchateau, L.; Van Den Broeck, W.; Van Trappen, S.; De Vos, P.; Coulombet, C.; Boon, N.; Haesebrouck, F.; Decostere, A.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Schaeck, M. <i>et al.</i>","Englishabstract":"Due to the mounting awareness of the risks associated with the use of antibiotics in aquaculture, treatment with probiotics has recently emerged as the preferred environmental-friendly prophylactic approach in marine larviculture. However, the presence of unknown and variable microbiota in fish larvae makes it impossible to disentangle the efficacy of treatment with probiotics. In this respect, the recent development of a germ-free culture model for European sea bass (<i>Dicentrarchus labrax</i> L.) larvae opened the door for more controlled studies on the use of probiotics.In the present study, 206 bacterial isolates, retrieved from sea bass larvae and adults, were screened <i>in vitro</i> for haemolytic activity, bile tolerance and antagonistic activity against six sea bass pathogens. Subsequently, the harmlessness and the protective effect of the putative probiotic candidates against the sea bass pathogen <i>Vibrio harveyi</i> were evaluated <i>in vivo</i> adopting the previously developed germ-free sea bass larval model.An equivalence trial clearly showed that no harmful effect on larval survival was elicited by all three selected probiotic candidates: <i>Bacillus</i> sp. LT3, <i>Vibrio lentus</i> and <i>Vibrio proteolyticus.</i> Survival of <i>Vibrio harveyi</i> challenged larvae treated with <i>V. lentus</i> was superior in comparison with the untreated challenged group, whereas this was not the case for the larvae supplemented with <i>Bacillus</i> sp. LT3 and <i>V. proteolyticus</i>. In this respect, our results unmistakably revealed the protective effect of <i>V. lentus</i> against vibriosis caused by <i>V. harveyi</i> in gnotobiotic sea bass larvae, rendering this study the first in its kind.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"<i>Vibrio lentus</i> protects gnotobiotic sea bass (<i>Dicentrarchus labrax</i> L.) larvae against challenge with <i>Vibrio harveyi</i>","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:32:52.928458","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Probiotics; Aquaculture; European sea bass; Vibrio; Gnotobiotic;Challenge","OtherDescriptors":null,"Notes":null,"AnaPub":2016,"MonPub":null,"DateUpdate":"2018-08-28","DateCreate":"2016-05-29","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000372691400007","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.vetmic.2016.01.024"},"refs":null,"anarec":{"AnaID":256654,"PubliDate":2016,"Pagination":"41-48","XtraPublOfAnaID":null,"ISBN":null,"Volume":"185","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":122982,"SerRR":"Veterinary Microbiology. 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