Camilo Aldana and  Sara Cabra and  Carlos A. Ospina and  Fredy Carvajal and  Fernando Rodríguez,  Effect of a Probiotic Compound in Rumen Development, Diarrhea Incidence and Weight Gain in Young Holstein Calves.   journal   = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2009, vol. 33(9). 489 - 492
    [viewed 10 May 2024]. Available from: https://publications.waset.org/pdf/13139.