Ribeiro, P. R.; Kronka, R. N.; Thomaz, M. C.; Hannas, M. I.; Tucci, F. M.; Scandolera, A. J.; Budiño, F. E. L. Different Levels of Betaine on Diarrhea Incidence, Performance, Carcass Characteristics and Blood Parameters of Pigs. Braz. J. Vet. Res. Anim. Sci. 2011, 48 (4), 299-306. https://doi.org/10.11606/S1413-95962011000400004.