adverseeffects analysis animal animaldiseases animalmodels animals animaltechnicians birds congresses diseasemodels diseases domestic environmentallyinduceddiseases environmentalpollutants exoticanimals indicators(biology) parasites pathology petmedicine pets physiologicaleffect pollution sf996z851978 veterinary veterinarymedicine veterinarynursing veterinarypathology wa671a5981977 wild wildanimals zoo zooanimals