Spatial modelling improves genomic evaluation in Tanzanian smallholder admixed dairy cattle
Isidore Houaga·G. Gorjanc·Eva Lavrencic·Zabron Nziku·Finn Lindgren·R. Mrode·Julie M.K. Ojango·Appolinaire Djikeng·Mwai Okeyo·Ivan Pocrnić·Chinyere Charlote Ekine-Dzivenu·Athumani Nguluma
This study demonstrated the challenge of achieving accurate genomic evaluation in smallholder settings. By leveraging spatial modelling we maximised the use of available data and improved the separation of genetic and environmental effects. Further work is required to improve smallholder genetic evaluations by understanding environmental and genetic processes that drive the large phenotypic variance in African smallholder setting.