A Cultural and Serological Study of Cattle Vaccinated Twice With Mycoplasma Mycoides

No Thumbnail Available
Date
1976
Authors
MASIGA,W. N.
Journal Title
Journal ISSN
Volume Title
Publisher
Abstract
Thirty cattle were injected on the same day into the tip of the tail with 0·5 ml of the living T 1 vaccine strain of Mycoplasma mycoides subspecies mycoides. At intervals ranging from 166 to 638 days thereafter they were again injected with the same dose of the same strain into the same site. Mter this second injection cultural and serological observations were made to the time of slaughter I to 52 days later. Positive cultures were obtained from only 7 of the 30 animals, and all of these were either from the site of inoculation (tail-tip) or the regional lymph nodes. The latest positive culture was from the tail-tip of an animal slaughtered 22 days after secondary vaccination. Most cattle did not respond serologically to secondary vaccination; the highest complement fixation titre recorded was I : 320, and no serum antibody titre persisted longer than 2 weeks.
Description
Keywords
Citation
Bulletin, 132, p. 187-191