Changes in gonad of Nile Tilapia (<i>Oreochromis niloticus</i>) fed with crude extract of guava (<i>Psidium guajava</i> Linnaeus) leaves

Tilapia is fraught with the problem of prolific breeding which usually leads to stunt growth thus making the fish undesirable for consumers. A56-days study was done to investigate the antifertility potential of P. guajava leaves extract on Oreochromis niloticus gonad, the sub-lethal concentrations...

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