Wittum. T.E., N.E. Woollen, L.J. Perino, and E.T. Littledike. 1996. Relationships between pulmonary lesions present at slaughter, treatment for respiratory disease, and rate of gain in feedlot cattle. J. Am. Vet. Med Assoc. 209:814.
Wittum, T.E., and L.J. Perino. 1995. Passive immune status at postpartum hour 24 and long-term health and performance of calves. Am. J. Vet. Res. 56:1149.
Wittum, T.E., C.R. Young, L.H. Stanker, D.D. Griffin, L.J. Perino, and E.T. Littledike. 1996. Hapto-globin response to clinical respiratory disease in feedlot cattle. Am. J. Vet. Res. 57:646.
Wittum, T.E., C.E. Dewey, H.S. Hurd, D.A. Dargatz, and G.W. Hill. 1995. Herd and litter factors associated with the incidence of scours morbidity and mortality in piglets 1 to 3 days of age. Swine Hlth. and Prod. 3:99.
Wittum, T.E., and C.E. Dewey. 1996. Partial budget analysis of sow Escherichia coli vaccination. Swine Hlth. and Prod. 4:7.
Wittum, T.E., M.D. Salman, M.E. King, R.G. Mortimer, K.G. Odde, and D.L. Morris. 1994. The influence of neonatal health on weaning weight of Colorado, USA beef calves. Prev. Vet. Med. 19:15.
Wittum, T.E., M.D. Salman, M.E. King, R.G. Mortimer, K.G. Odde, and D.L. Morris. 1994. Individual-animal and maternal risk factors for morbidity and mortality of neonatal beef calves in Colorado, USA. Prev. Vet. Med. 19:1.
Wittum, T.E., M.D. Salman, K.G. Odde, R.G. Mortimer, and M.E. King. 1993. Causes and costs of calf mortality in Colorado beef herds participating in the National Animal Health Monitoring System. J. Am. Vet. Med. Assoc. 203:232.
Wittum, T.E., M.D. Salman, C.R. Curtis, M.E. King, K.G. Odde, and R.G. Mortimer. 1990. The National Animal Health Monitoring System for Colorado beef herds: Management practices and their association with disease rates. Prev. Vet. Med. 8:215.
Wittum, T.E., C.R. Curtis, M.D. Salman, M.E. King, K.G. Odde, and R.G. Mortimer. 1990. Management practices and their association with reproductive health and performance in Colorado beef herds. J. Anim. Sci. 68:2642.