Indización *Agricola *Agris, *Animal Breeding Abstracts, *Animal Production Database (formerly BEASTCD), *CAB Abstracts, *Dairy Science Abstracts, *Directory of Open Access Journals *EBSCO *Environmental Science Database (Formerly E-CD), *Grasslands and Forage Abstracts, *Index veterinarius, *Latindex, *Nutrition Abstracts and Reviews Series A, *Nutrition Abstracts and Reviews Series B, *Orton, *Periodica, *Pig News and Information, *Poultry Abstracts, *Tropag & Rural, *Rural Development Abstracts, *Scientific Commons *Veterinary Bulletin, *World Agricultural Economics and Rural Sociology Abstracts.