seroprevalence of toxoplasma gondii and chlamydia psittaci in domestic pigeons (columbia livia domestica) at sebele, gaborone, botswana. | high antibody titres to toxoplasma gondii and chlamydophila psittaci were demonstrated in serum collected from domestic pigeons at average titres of 1:128 and 1:64 respectively. the public health implications of these findings are discussed. | 2001 | 11585096 |