Hern©Łndez Serrano, Pilar creator Food and Agriculture Organization of the United Nations text Rome, Italy Food and Agriculture Organization of the United Nations 2005 monographic x, 97 p. ; 28 cm Aquacultural biotechnology Antibiotics Antibiotics Antibiotics in animal nutrition Antibiotics in agriculture 639 FOO 2005 A083 Or. 9251054363 ftp://ftp.fao.org/docrep/fao/009/a0282e/a0282e00.pdf ftp://ftp.fao.org/docrep/fao/009/a0282e/a0282e00.pdf