Valdéz, A.; García, Y.; Álvarez, V. M.; Samón, A.; Pérez, E.; Serrano, J. O.; Rodríguez, Y.; Berenguer, A. Effect of Efficient Microorganisms, Native to Guantánamo, Cuba, on Bioproductive and Hematological Indicators of Pre-Fattening Pigs. Cuban J. Agric. Sci. 2020, 54.