Delineation of the lateral spread of Mycoplasma gallisepticum infection in chickens.

D. A. McMartin, M. I. Khan, Thomas B Farver, G. Christie

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Lateral spread of S6 strain Mycoplasma gallisepticum (MG) was studied in small populations of chickens. One experimentally exposed bird served as the source of infection, and the presence of MG-agglutinating antibody was evidence of infection in individuals. The results were subjected to survival data analysis. In the seven experiments, four similar but not identical phases of lateral spread were observed: phase 1, a generally long latent phase (median 15, range 12-21 days) before antibody was first detected in the MG-inoculated bird; phase 2, a generally short period (median 1, range 1-21 days) in which infection gradually appeared in 5-10% of the population; phase 3, a fairly constant characteristic phase (median 24, range 7-32 days) in which 90-95% of the remaining population developed MG antibody; phase 4, a generally short terminal phase (median 4, range 3-19 days) in which the remainder of the population became positive. Increasing the population density increased the rate at which lateral spread occurred.

Original languageEnglish (US)
Pages (from-to)814-819
Number of pages6
JournalAvian Diseases
Volume31
Issue number4
StatePublished - Oct 1987

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Mycoplasma gallisepticum
Mycoplasma Infections
Chickens
chickens
infection
Population
antibodies
Birds
Antibodies
Infection
S 6
birds
Survival Analysis
Population Density
data analysis
population density

ASJC Scopus subject areas

  • Cancer Research
  • Immunology
  • veterinary(all)

Cite this

Delineation of the lateral spread of Mycoplasma gallisepticum infection in chickens. / McMartin, D. A.; Khan, M. I.; Farver, Thomas B; Christie, G.

In: Avian Diseases, Vol. 31, No. 4, 10.1987, p. 814-819.

Research output: Contribution to journalArticle

McMartin, DA, Khan, MI, Farver, TB & Christie, G 1987, 'Delineation of the lateral spread of Mycoplasma gallisepticum infection in chickens.', Avian Diseases, vol. 31, no. 4, pp. 814-819.
McMartin, D. A. ; Khan, M. I. ; Farver, Thomas B ; Christie, G. / Delineation of the lateral spread of Mycoplasma gallisepticum infection in chickens. In: Avian Diseases. 1987 ; Vol. 31, No. 4. pp. 814-819.
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