Effect of probiotic on survival and immune response of Cyprinus carpio against A. hydrophila infection
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Effect of dietary chitosan on immune response and disease resistance in Cyprinus carpio
BACKGROUND: Occurrence of resistance against antibioticsand inadequate efficacy of some vaccines necessitates studies ofnatural immunostimulators in aquaculture. Shrimps shell derivedfrom Chitosan can be used as immune stimulators in fish.OBJECTIVES: In this study, the effects of oral administration ofchitosan, derived from shrimp shell, on some immune responsesand disease resistance in Cyprinu...
متن کاملComparison of the adjuvant effect of propolis and Freund on the efficacy of Aeromonas hydrophila vaccine in common carp (Cyprinus carpio)
The success of many vaccines relies on their association with selected adjuvants in order to increase their immunogenicity and ensure long-term protection. Propolis is a natural compounds, are mostly known for their immunostimulatory properties. In this study the adjuvant effects of propolis in combination with formalin-killed A. hydrophila vaccine in Common carp (Cyprinus carpio) were evaluat...
متن کاملResearch Article: In vivo study on probiotic Lactobacillus brevis in Sander lucioperca and some of their nonspecific immune parameters, intestinal morphology and survival against Aeromonas hydrophila
Lactobacillus brevis was isolated from the intestinal tract of Sander lucioperca and its immunological parameters as well as intestinal morphology were studied. Thereafter, the fish were challenged with 4.5×108 CFU/g Aeromonas hydrophila. The fish were monitored daily and the rate of survival was recorded over a period of 7 days post-challenge. The results showed that feeding with supplemented ...
متن کاملEffect of Euphorbia hirta plant leaf extract on immunostimulant response of Aeromonas hydrophila infected Cyprinus carpio
The main objective of the present study is to improve the immune power of Cyprinus carpio by using Euphorbia hirta plant leaf extract as immunostimulants. The haematological, immunological and enzymatic studies were conducted on the medicated fish infected with Aeromonas hydrophila pathogen. The results obtained from the haematological studies show that the RBC count, WBC count and haemoglobin ...
متن کاملEffect of the probiotic Entrococcus faecium on hematological and non-specific immune parameters and disease resistance in zander (Sander lucioperca)
The current study evaluated effects of dietary administration doses of Entrococcus faecium on the hematological factors, and disease resistance of Sander lucioperca against Aeromonas hydrophila infection. Fish were fed with dietary administration containing E. faecium doses including of (1010, 108CFU/ g) for diet A1 and A2, respectively in a commercial diet as basal diet were used for 6 weeks. ...
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