Hines, R.H.; Schoneweis, D.A.; Nicholson, R.I.; Fitzner, G.E.
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1989)
Odd-numbered pigs in new-born litters were vaccinated on d 1 with an oral Escherichia
coli bacterin and their performance after weaning was compared with that of nonvaccinated littermates (even numbered pigs). In addition, ...