Probiotic effects of Bacillus spp. bacteria on the survival and growth of White shrimp (Litopenaeus vannamei) in 30 and 40 g/lit salinities

Document Type : Research Paper

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Abstract

The probiotic effects of Bacillus spp. bacteria on the growth and survival rate of Litopenaeus vannamei in 30 and 40 gii, salinities was investigated. We conducted the experiment in Bandargah Research Station, Bushehr province during 45 days. Four treatments with three replicates, and two controls were used and probiotic powder, dissolved in water along with the growth stage pellet was applied in 3Oppt and 4Oppt salinities. The control treatments were only fed by the growth stage pellet in 3Oppt and 4Oppt salinities. The results revealed that growth and survival rate of treatment groups in 3Oppt salinity exposed to the probiotic powder were higher than those of the controls without increasing probiotic powder (P<0.05). Although the growth rate of treatment groups in 4Oppt salinity was higher than those of the control without increasing probiotic powder in 4Oppt salinity, but there was no significant difference between the two (P>0.05). Survival rate of the treatment groups in 4Oppt sal.....
Iranian Scientific Fisheries Journal
Volume 17, Issue 2
January and February 2008
Pages 27-34

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