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. 1983 Oct;47(4):456–459.

Epidemiology of Haemophilus somnus infection in dairy cattle in Quebec.

D Sanfaçon, R Higgins
PMCID: PMC1235975  PMID: 6667432

Abstract

Serological studies on Haemophilus somnus infection were carried out on 1795 cattle from 231 dairy herds in the province of Quebec. An epidemiological investigation was done in each of the dairy operations. Seroreactivity rate and mean log2 titer for all the sera were 55.4% and 4.1620 respectively. Cattle from eastern regions of Quebec demonstrated the lowest prevalence of H. somnus agglutinins. The percentage of seroreactor animals was 60.3 in herds of 100 cattle or more in comparison to 53.2 in herds of smaller size. About 75% of the animals from 16 herds in which one or more cattle showed nervous manifestations of undetermined origin over a one year period had antibodies to H. somnus. Herds in which respiratory diseases occurred had 59.6% seroreactor animals and herds in which weak calf syndrome was diagnosed over a one year period had 61.4% seroreactor animals. In 87 herds located within 20 km of feedlots, 61.8% of the sera had titers and the mean log2 titer was 4.4813.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

  1. BROWN W. W., GRINER L. A., JENSEN R. Infectious embolic meningo-encephalitis in cattle. J Am Vet Med Assoc. 1956 Nov 1;129(9):417–421. [PubMed] [Google Scholar]
  2. Bailie W. E., Anthony H. D., Weide K. D. Infectious thromboembolic meningoencephalomyelitis (sleeper syndrome) in feedlot cattle. J Am Vet Med Assoc. 1966 Jan 15;148(2):162–166. [PubMed] [Google Scholar]
  3. Card C. S., Spencer G. R., Stauber E. H. The weak calf syndrome-epidemiology, pathology, and microorganisms recovered. Proc Annu Meet U S Anim Health Assoc. 1973;(77):67–72. [PubMed] [Google Scholar]
  4. Corboz L., Nicolet J. Infektionen mit sogenannten "Haemophilus somnus" beim Rind: Isolierung und Charakterisierung von Stämmen aus Respirations-und Geschlechtsorganen. Schweiz Arch Tierheilkd. 1975 Sep;117(9):493–502. [PubMed] [Google Scholar]
  5. Hoerlein A. B., Goto K., Young S. Haemophilus somnus agglutinins in cattle. J Am Vet Med Assoc. 1973 Dec 15;163(12):1375–1377. [PubMed] [Google Scholar]
  6. Ivanoff M. R. Weak calf syndrome: serum immunoglobulin concentrations in precolostral calves. Am J Vet Res. 1975 Aug;36(08):1129–1131. [PubMed] [Google Scholar]
  7. KENNEDY P. C., BIBERSTEIN E. L., HOWARTH J. A., FRAZIER L. M., DUNGWORTH D. L. Infectious meningo-encephalitis in cattle, caused by a haemophilus-like organism. Am J Vet Res. 1960 Mar;21:403–409. [PubMed] [Google Scholar]
  8. MacDonald D. W., Christian R. G., Chalmers G. A. Infectious thromboembolic meningoencephalitis: literature review and occurrence in Alberta, 1969-71. Can Vet J. 1973 Mar;14(3):57–61. [PMC free article] [PubMed] [Google Scholar]
  9. Messersmith R. E., Anderson S. W., Brown L. N., Hussey F. J. Respiratory disease in recently-shipped Minnesota steers (a clinical study). Vet Med Small Anim Clin. 1972 Sep;67(9):1011–1016. [PubMed] [Google Scholar]
  10. Panciera R. J., Dahlgren R. R., Rinker H. B. Observations on septicemia of cattle caused by a haemophilus-like organism. Pathol Vet. 1968;5(3):212–216. doi: 10.1177/030098586800500303. [DOI] [PubMed] [Google Scholar]
  11. Pritchard D. G., Macleod N. S. The isolation of Haemophilus somnus following sudden deaths in suckler calves in Scotland. Vet Rec. 1977 Feb 12;100(7):126–127. doi: 10.1136/vr.100.7.126. [DOI] [PubMed] [Google Scholar]
  12. Saunders J. R., Janzen E. D. Haemophilus somnus infections. II. A Canadian field trial of a commercial bacterin: clinical and serological results. Can Vet J. 1980 Aug;21(8):219–224. [PMC free article] [PubMed] [Google Scholar]
  13. Saunders J. R., Thiessen W. A., Janzen E. D. Haemophilus somnus infections I. A ten year (1969-1978) retrospective study of losses in cattle herds in Western Canada. Can Vet J. 1980 Apr;21(4):119–123. [PMC free article] [PubMed] [Google Scholar]
  14. Simonson R. R., Maheswaran S. K., Ward G. E. Radiolabeled substrate assay to measure inhibition of growth of Haemophilus somnus by normal bovine serum. Am J Vet Res. 1981 Jul;42(7):1235–1237. [PubMed] [Google Scholar]
  15. Stauber E. H. Weak calf syndrome: a continuing enigma. J Am Vet Med Assoc. 1976 Feb 1;168(3):223–225. [PubMed] [Google Scholar]
  16. Stephens L. R., Little P. B., Wilkie B. N., Barnum D. A. Humoral immunity in experimental thromboembolic meningoencephalitis in cattle caused by Haemophilus somnus. Am J Vet Res. 1981 Mar;42(3):468–473. [PubMed] [Google Scholar]
  17. Van Dreumel A. A., Curtis R. A., Ruhnke H. L. Infectious thromboembolic meningoencephalitis in Ontario feedlot cattle. Can Vet J. 1970 Jul;11(7):125–130. [PMC free article] [PubMed] [Google Scholar]
  18. Waldhalm D. G., Hall R. F., Meinershagen W. A., Card C. S., Frank F. W. Haemophilus somnus infection in the cow as a possible contributing factor to weak calf syndrome: isolation and animal inoculation studies. Am J Vet Res. 1974 Nov;35(11):1401–1403. [PubMed] [Google Scholar]
  19. van Dreumel A. A., Kierstead M. Abortion associated with Hemophilus somnus infection in a bovine fetus. Can Vet J. 1975 Dec;16(12):367–370. [PMC free article] [PubMed] [Google Scholar]

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