Research Article

Evaluation of Hybridization in Two African Catfishes (Siluriformes, Clariidae): Exotic (Clarias gariepinus Burchell, 1822) and Native (Clarias jaensis Boulenger, 1909) Species under Controlled Hatchery Conditions in Cameroon

Table 2

Length-weight relationship and growth type of fry at 32 days of age (D32) in reciprocal hybridizations of C. gariepinus × C. jaensis.

Genetic typesLWR parametersGrowth type
NEquationR2abts

Fcg × Mcg171PT = 1.4128LT1.39920.951.41281.3992a0.045A-
Fcg × Mcj175PT = 1.107LT1.46930.951.10701.4693a0.002A-
Fcj × Mcj173PT = 2.1797LT1.21750.972.17971.2175a0.098A-
Fcj × Mcg173PT = 2.1372LT1.21930.932.13721.2193a0.201A-
Total692PT = 1.5565LT1.34460.941.55651.3446a0.543A-

N = number of specimens; LWRs = length-weight relationships, a = intercept; b = allometric coefficient; TW = total body weight; TL = total length; R2 = coefficient of determination; ts: Student’s t-test; a: the values of the same column assigned by the same letter are not significantly different (). The female was named first.