REFERENCES
- Ames T.R., Baker J.C. (1990) Vet. Med., 10, 1140–1149.
- Bolin R.S., Ridpath J.F. (1990) Am. J. Vet. Res., 51(5), 703–707.
- Cannon R.M., Morris R.S., Williamson N.B., Cannon C.M., Blood D.C. (1978) Aust. Vet. J., 54, 216–230.
- Cavirani S., Luini M., Allegri G., Fabbi G., Bottarelli E., Flammini C.F. (1992) Selezione Veterinaria. 33, 459–467.
- Fulton R.W., Confer A.W., Burge L.J., Doffay J.M., Payron M.E., Mock R.E. (1995) Vaccine. 13(8), 725–733.
- Houe H. (1995) Practice, 11, 521–547.
- Kaber G. (1931) Archiv für Experimentelle Pathologie und Pharmakologie, 162, 480–487.
- Kendrick J.W., Franti C.E. (1974) Am. J. Vet. Res., 35, 589–591.
- Menanteau-Horta A.M., Ames T.R., Johnson D.W., Meiske J.C. (1985) Can. J. Comp. Med., 5, 10–14.
- SAS Institute (1988) SAS/STAT User's Guide Release, Release 6.03. SAS Institute. Gary, NC. USA. p.1028.