Ribeiro, A.C. Lui, J.F. Queiroz, S.A. Ribeiro, S.D.A. Resende, K.T. Genetic and environmental effects on the age at first kidding and kidding interval in a Saanen goat herd Subjects--Topical Terms: CABRAPARÂMETRO GENÉTICOCONDIÇÃO AMBIENTALIDADEPARTOINTERVALO DE PARTO