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Research Paper | August 10, 2022

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Effects of pesticides on reproductive parameters in hoplobatrachus occipitalis (günther, 1858), an edible frog living in the drainage furrows of a banana plantation in the locality of dabou

Son Phoebé, Tohé Blayda, Agou Louis César, Konaté Beh romaric

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Int. J. Biosci.21(2), 1-9, August 2022

DOI: http://dx.doi.org/10.12692/ijb/21.2.1-9

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Abstract

Sexual maturity size, gonado-somatic index, sex ratio and fecundity were studied during four seasons, from January to December 2020, in Hoplobatrachus occipitalis which lives in the water of drainage furrows of banana plantations treated with phytosanitary products in the locality of Dabou. Our results reveal that the sizes of first sexual maturity in females and males of this species are 91.39 mm and 85.62 mm, respectively. Females reproduce during the main rainy season. The sex ratio is in favor of females (1:1.18) except during the main rainy season. Regarding fecundity, female gonads of this frog contain 2413 to 151 eggs with an average of 642 ± 541 and an oocyte diameter of 0.20 ± 0.03 mm. In this habitat, this frog has single oviposition (The coefficient of variation is 17.29).

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Effects of pesticides on reproductive parameters in hoplobatrachus occipitalis (günther, 1858), an edible frog living in the drainage furrows of a banana plantation in the locality of dabou

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