Combined or Individual Effects of Dietary Probiotic, Pediococcus acidilactici and Nucleotide on Reproductive Performance in Goldfish (Carassius auratus)
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This work evaluated the effect of dietary supplementation of probiotic, Pediococcus acidilactici and nucleotide (combined or individual) on reproductive performance including semen quality (motility and density) and egg indices (egg diameter, ovum diameter, absolute fecundity, relative fecundity, gonadosomatic index, hepatosomatic index, fertilization rate, and hatching rate) in goldfish (Carassius auratus). Fish (46.9 ± 2.15 g) were acclimatized and divided into eight experimental diets supplemented with P. acidilactici different concentrations (0.1, 0.2, and 0.3% diet) and nucleotides (0 and 0.5% diet) for 180 days. Female fish fed experimental diets showed significant differences in reproductive parameters as compared to control diet (P < 0.05). Combined diet (probiotic 0.2% and nucleotide) had the highest percentage and duration of sperm motility, absolute fecundity, and fertilization success as compared to other diets (P < 0.05). The significance of the results obtained herein underlines the importance of diet in the reproductive processes, supporting the hypothesis that feed additives could improve gamete quality.
KeywordsFish Nucleotide Probiotic Reproductive performance
Compliance with Ethical Standards
Conflict of Interest
The authors declare that they have no conflict of interest.
All fish manipulations were conducted in accordance with the guidelines on the care and use of animals for scientific purposes (Gorgan University of Agricultural Sciences and Natural Resources, Iran).
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