1. Akhtar, S., Riemann, H.P., Thurmond, M.C. and Franti, C.E., 1993. The association between antibody titers againstCampylobacter fetus and reproductive efficiency in dairy cattle.Veterinary Research Communications,17, 95–107
2. Al-Mashat, R.R. and Taylor, D.J., 1980. Campylobacter species in enteric lesions in cattle.Veterinary Record,107, 31–34
3. Behymer, D.E., Ruppaner, R., Brooks, D., William, J.C. and Franti, C.E., 1985. Enzyme immunoassay for surveillance of Q fever.American Journal of Veterinary Research,46, 2413–2417
4. Carroll, R.E., 1965. Leptospirosis in California dairy cattle: a seven year study. In:Proceedings of 69th Annual Meeting of the United States Livestock Sanitary Association, 153–163
5. Corbeil, L.B., Schurig, G.G., Duncan, J.R., Wilkie, B.N. and Winter, A.J., 1981. Immunity in the female bovine reproductive tract based on response toCampylobacter fetus.Advances in Experimental Medicine and Biology,137, 729–743