Negri Filho, L. C.; Pereira, C. E. S.; Chineze, P. H. N.; Bogado, A. L. G.; Bronkhorst, D. E.; Lunardi, M.; Okano, W. Use of the Enzyme Gamma-Glutamyl Transferase (GGT) As an Indirect Measure of Passive Transfer of Immunity in Holstein Calves and Association With the Occurrence of Diarrhea After Birth. Biosci. J. 2016, 32, 455-459.