Miranda Yuquilema, J.E. et al. 2018. Repercution of Lactobacillus acidophilus and Kluyveromyces fragilis (L-4UCLV) on the bioproductive parameters of pigs. Enfoque UTE. 9, 2 (Jun. 2018), pp. 27 – 35. DOI:https://doi.org/10.29019/enfoqueute.v9n2.301.