V. A. Vieira and  M. P. Sforcini and  V. Endo and  G. C. Magioni and  M. D. S. Oliveira,  Influence of Probiotics on Dairy Cows Diet.   journal   = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2014, vol. 91(7). 786 - 789
    [viewed 15 August 2020]. Available from: https://publications.waset.org/pdf/9999852.