(2003). Proceedings, contributed paper-abstracts. IX world conference on animal production. XVIII Reuniao da Associacao Latinoamericana de Producao Animal. Associacao Latinoamericana de Producao Animal.
Chicago-viite (17. p.)Proceedings, Contributed Paper-abstracts. IX World Conference on Animal Production. XVIII Reuniao Da Associacao Latinoamericana De Producao Animal. Porto Alegre: Associacao Latinoamericana de Producao Animal, 2003.
MLA-viite (9. p.)Proceedings, Contributed Paper-abstracts. IX World Conference on Animal Production. XVIII Reuniao Da Associacao Latinoamericana De Producao Animal. Associacao Latinoamericana de Producao Animal, 2003.
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