| the prevalence of serum antibodies to toxoplasma gondii in ontario mammals. | the prevalence of seropositive reactions to toxoplasma gondii was studied in farm animals, companion animals, wild rodents and birds. of the animals tested, 17% of cattle, 65% of sheep, 45% of pigs, 9% of horses, 33% of dogs and 20% of cats were seropositive by the sabin-feldman dye test. in addition 11% of mice (mus musculus), 5% of deer mice (peromyscus), 3% of rats (rattus norvegicus) and less than 2% of sparrows (passer domestcus) were seropositive. all samples from short-tailed field mice ( ... | 1978 | 667705 |
| flame retardants in eggs of american kestrels and european starlings from southern lake ontario region (north america). | while a number of studies have extensively investigated flame retardant (fr) contamination in aquatic ecosystems from the laurentian great lakes basin, there remains a dearth of information for terrestrial ecosystems. in the current study, american kestrels (falco sparverius) (amke) and european starlings (sturnus vulgaris) (eust) that are terrestrial ecosystem consumers, and from the southern lake ontario regions, were investigated as potential terrestrial bio-monitoring species. egg homogenate ... | 2012 | 22930373 |
| european starlings ( sturnus vulgaris ) suggest that landfills are an important source of bioaccumulative flame retardants to canadian terrestrial ecosystems. | landfills are used as the primary means for the disposal of municipal solid waste in canada. in the present study, polybrominated diphenyl ethers (pbdes) and other flame retardants (frs) were determined in fresh european starling ( sturnus vulgaris ) eggs collected in 2009, 2010, and 2011 from nest boxes established within, adjacent to, and 10 and 40 km distant to five major urban centers across canada, i.e., vancouver, british columbia (bc); calgary, alberta (ab); hamilton, ontario (on); montré ... | 2013 | 24059974 |