Title: Some aspects of the reproductive biology of Tilapia mariae (Boulenger 1901) in a small lake in south- eastern Nigeria
Abstract:Some aspects of the reproductive biology of Tilapia mariae of Umuoseriche man-made lake such as fecundity of female fishes was determined gravimetrically after the sex had been established. The ratio ...Some aspects of the reproductive biology of Tilapia mariae of Umuoseriche man-made lake such as fecundity of female fishes was determined gravimetrically after the sex had been established. The ratio of male to female T. mariae of Umuoseriche Lake was 1:1.56. The numbers of female fishes were greater in 110 – 145 mm and 185 – 195 mm size groups. Males dominated the 135 – 175 mm size group. Gonadosomatic index ranged between 1.4 and 3.4 with a mean of 2.25 ± 0.7. Mean ovarian weight was 1.7 ± 0.3 g and a mean fecundity of 1705 ± 629 eggs/ clutch.Read More
Publication Year: 2008
Publication Date: 2008-07-18
Language: en
Type: article
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Cited By Count: 15
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