Genetic architecture of production and reproduction traits in cattle crossbreeding can be understood through additive, dominance, and recombination effects, enabling the development of efficient and climate-resilient breeding strategies such as the Crossbreeding Efficiency Index...
Open access
Research Article10.9734/ajriz/2026/v9i2282
Crossbreeding between indigenous N’Dama and exotic German Brown cattle has been explored to improve reproductive performance and productivity in tropical dairy systems through the combined effects of adaptation, additive genetics, and heterosis.The aim of this study was to estima...
Open access
Research Article10.9734/ajriz/2026/v9i2279
368 records of weights from birth to 12 months for pure German brown, N’dama and their crossbreds from the crossbreeding programme carried out at the University of Ibadan, Nigeria between 1970 – 1988 was analyzed using least square means of analysis of variance and regression. B...
Open access
Research Article10.9734/ajbgmb/2026/v18i2522
The aim of this study was to investigate the effects of animal trait and level of local cattle gene inheritance on the expressed levels of heterosis in crossbreeding of exotic German brown and local N’dama. Records from 199 pure bred German brown and N’dama and 308 crossbred calv...
Open access
Research Article10.9734/ajbgmb/2025/v17i12508