Survival and growth performances of Clarias gariepinus (Teleotei: Clariidae) fingerlings according to the hormone type in recycled water in South Cameroon

Claudine Tekounegning Tiogué, Delphin Alfred Eva Ambela, Paulin Nana

Article ID: 775
Vol 2, Issue 1, 2019

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Abstract


In order to compare effects of the of hormone type (Ovaprim and pituitary extracts) on survival and growth performances of African catfish Clarias gariepinus in recycled water; this study was conducted from April to August 2016, in the South Region Cameroon. The main results are as follows: The survival rate was higher in fish from females treated with pituitary extracts regardless of stage of development, without significant differences (P> 0.05) between treatments. The fish treated with Ovaprim, expressed higher mass and linear growth performances than those treated with pituitary extracts, but not significantly (P> 0.05) regardless the considered stage of development. The relative growth rate (TCR) showed that fish grow faster at the fry stage than at the juvenile stage for both hormone types. Growth was negative Allometric type and K factor was ˂ 1 during breeding. It was concluded that the use of the synthetic hormone is not essential for optimum production of Clarias gariepinus fingerlings.


Keywords


Hormone; Survival; Growth; Fingerlings; Clarias gariepinus

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DOI: https://doi.org/10.24294/nrcr.v2i1.775

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