1. Laboratory of Biogeochemistry, Center of Nuclear Energy in Agriculture, University of São Paulo, Piracicaba, CEP 13416-000 Brazil
2. Merck Animal Health, São Paulo, CEP 04794-000 Brazil
3. Laboratory of Computational Mathematics, Embrapa Agriculture Informatics, Campinas, CEP 13083-886 Brazil
4. Department of Soil Science, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, CEP 13418-900 Brazil
5. Merck Animal Health, Summit, NJ 07901
6. UMR Eco & Sols, Institut de Recherche pour le Développement, Montpellier, 34060 France
7. Department of Animal Production, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, CEP 13418-900 Brazil