In vivo conservation of animal genetic resources Food and Agriculture Organization of the United Nations Commission on Genetic Resources for Food and Agriculture Livestock Germplasm resources, Animal Livestock Animals, Genetically Modified Genetic Engineering 636 FOO 2013 A090 Or. Text xxiv, 242 pages : http://www.fao.org/docrep/018/i3327e/i3327e00.htm FAO animal production and health guidelines,