A novel MC1R allele for black coat colour reveals the Polynesian ancestry and hybridization patterns of Hawaiian feral pigs by Linderholm, A, Spencer, D, Battista, V, Frantz, L, Barnett, R, Fleischeir, R, James, H, Duffy, D, Sparks, J, Clements, D, Andersson, L, Dobney, K, Leonard, J, Larson, G