A field trial of autogenous Moraxella bovis bacterin administered through either subcutaneous or subconjunctival injection on the development of keratoconjunctivitis in a beef herd.
The primary purpose of these experiments was to evaluate an autogenous Moraxella bovis bacterin administered through 2 separate routes of inoculation. An autogenous bacterin was manufactured by using M. bovis recovered from the herd. The bacterin was administered by subcutaneous injection or subconjunctival injection. In each experiment, unvaccinated animals served as controls. Random selection methods were used to place calves into a vaccination or control group. There was no statistical difference in development of infectious keratoconjunctivitis between the vaccinated and unvaccinated calves. There was a statistically significant difference between the sexes; heifers had a higher rate of keratoconjunctivitis.
Davidson
Harriet J
HJ
106A Mosier Hall, Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, Kansas 66506, USA.
Stokka
Gerald L
GL
D000818:Animals; D001428:Bacterial Vaccines; D002417:Cattle; D002418:Cattle Diseases / Q000517:prevention & control*; D003315:Cornea / Q000382:microbiology / Q000473:pathology; D004333:Drug Administration Routes / Q000662:veterinary; D005260:Female; D016905:Gram-Negative Bacterial Infections / Q000517:prevention & control / Q000662:veterinary*; D007279:Injections, Subcutaneous / Q000662:veterinary; D007637:Keratoconjunctivitis / Q000517:prevention & control / Q000662:veterinary*; D008297:Male; D016955:Moraxella bovis / Q000276:immunology*; D011897:Random Allocation; D012737:Sex Factors; D014611:Vaccination / Q000662:veterinary
D001428:Bacterial Vaccines