00943nam a2200337 a 450000100080000000500110000800800410001910000220006024500510008226000260013330000100015949000510016952001280022065000160034865000220036465000120038665000110039865000180040965000140042765000140044165000150045565300170047065300100048765300170049765300130051465300120052765300170053965300160055665300170057265300160058910520471997-04-28 1992 bl uuuu 00u1 u #d1 aHENSON, E. L. ed. aIn situ conservation of livestock and poultry. aRoma: FAO, 1992c1992 a112p. a(FAO. Animal Production and Health Peper, 99). aAnimal genetic resources- Terms and definitions; The need for conservation; Conservation methods; Conservation in practice. aagriculture aanimal production aanimals aAnimal aConservação aCriação aGenética aProdução aAgropecuaria aBreed aConservation aExtincao aGenetic aNative breed aPreservacao aPreservation aRaca nativa