Rondón, A.; del Valle, A.; Milián, G.; Arteaga, F.; Rodríguez, M.; Valdivia, A.; Martínez, M. Production of a Symbiotic Biopreparation (Mixture of Agave Fourcroydes Lem. Pulp and PROBIOLACTIL®) for Use in Calves. AGR 2019, 25, 1-8.