01006nam a2200265 a 450000100080000000500110000800800410001910000190006024500760007926002580015552001280041365000110054165000240055265000100057665000100058665000120059665000100060865300110061865300100062965300090063965300260064870000250067470000170069970000240071615145382021-09-06 1986 bl uuuu u00u1 u #d1 aSHELTON, J. M. aAn overview of sheep and goat breeding research.h[electronic resource] aIn: REUNIÃO TÉCNICO-CIENTÍFICA DO PROGRAMA DE APOIO À PESQUISA COLABORATIVA DE PEQUENOS RUMINANTES, 1., 1986, Sobral. Caprinos e ovinos no Nordeste do Brasil: anais. Sobral: EMBRAPA-CNPC: SR-CRSP, 1986. p. 65-77. (EMBRAPA-CNPC. Documentos, 6).c1986 aChoice of species; Choice of breeds; Mating systems; Improvement programs; Introduction of new of exotic genetic resources. aBrazil aGenetic improvement aGoats aSheep aCaprino aOvino aBrasil aCeara aGoat aMelhoramento genetico1 aFIGUEIREDO, E. A. P.1 aSOUSA, W. H.1 aFERNANDES, A. A. O.