Effect of Probiotics on Reproductive Performance in Female Livebearing Ornamental Fish Poecilia Sphenops
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Date
2013
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Abstract
A study was carried out to determine the effect of varying dietary probiotic levels on the reproductive
performance of a fresh water ornamental species, the black molly (Poecilia spenops). The commercial probiotic,
Vibact were mixed thoroughly with the artificial feeds at concentrations of 0.2% (T1 ), 0.4% (T2), 0.6% (T3) and
0.8% (T4) and fed to healthy fish for a period of 60 days. The obtained results showed that supplementation of
probiotic feed increased significantly (P<0.05) the fecundity, fry production, fry survival and gonado somatic
index (GSI). Fishes fed with 0.4% (T2) of probiotic supplementation showed significantly (p<0.05) better results
when compared to all the test diets and control. Based on these data, it is concluded that female black molly
brood stocks benefit from inclusion of Vibact in diet during their reproductive stages. Further, study is needed to
know the mechanism of action for probiotics such as Vibact and their applications.