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Effect of Enriched Artemia parthenogenetica with Probiotic (Bacillus spp.) on Growth, Survival, Fecal Production and Nitrogenous Excretion in Rainbow Trout(Oncorhynchus mykiss) Larvae | Abstract
ISSN: 2332-2608

Journal of Fisheries & Livestock Production
Open Access

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Research Article

Effect of Enriched Artemia parthenogenetica with Probiotic (Bacillus spp.) on Growth, Survival, Fecal Production and Nitrogenous Excretion in Rainbow Trout(Oncorhynchus mykiss) Larvae

Jamali H1*, Tafi AA1, Jafaryan H2 and Patimar R2

1Department of Fishery, Urmia University, Urmia, Iran

2Department of Fishery, Gonbad University, Gonbad, Iran

*Corresponding Author:
Hadi Jamali
Department of Fishery
Urmia University, Urmia, Iran
Tel: 021-66568883
E-mail: [email protected]

Received Date: February 22, 2014; Accepted Date: May 12, 2014; Published Date: May 25, 2014

Citation: Jamali H, Tafi AA, Jafaryan H, Patimar R (2014) Effect of Enriched Artemia parthenogenetica with Probiotic (Bacillus spp.) on Growth, Survival, Fecal Production and Nitrogenous Excretion in Rainbow Trout (Oncorhynchus mykiss) Larvae. J Fisheries Livest Prod 2:111. doi:10.4172/2332-2608.1000111

Copyright: © 2014 Jamali H, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

This study was carried out to evaluate the effect of Probiotic (Bacillus spp.) on growth and survival rate and nitrogenous excretion in Rainbow Trout (Oncorhynchus mykiss) larvae. Rainbow Trout larvae were fed on Artemia parthenogenetica nauplii enriched at suspension of five probiotic bacilli at doses of 0, 1×108, 2×108 and 3×108 (CFU l-1).The feeding level was 30 percent of total biomass per day. The daily ration was divided into four feeding portions. The end all the trout larvae were sampled for biometry and growth determination. Feces were collected twice a day by pipetting and ammonia and urea contents in each tank were determined. Results showed that, with the inoculating of probiotic Bacilli in suspension of broth, trout larvae survival and growth parameters generally increased. Fish larvae fed with enriched Artemia nauplii at dose of 2×108 CFU l-1 in suspension of broth had significantly higher survival and growth parameters than the control group (p<0.05). Ammonia excretion, urea excretion and fecal production decreased in experimental treatments (p<0.05). Then, our results confirm the potential of probiotic bacillus had promoted effects on enhancement of survival rate and growth performance in experimental treatments and probiotics can reduce ammonia and urea excretion in Rainbow trout larvae.

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