| prevalence of toxocara eggs and number of faecal deposits from dogs and cats in sandpits of public parks in japan. | contamination of 13 sandpits in public parks in hyogo prefecture, japan, by toxocara eggs and animal faeces was studied. all 13 sandpits were contaminated with faeces. the mean number of faeces found in 1 m2 of the sandpits was 35, from which the number of faeces in each sandpit was estimated to be 261 to 2205. toxocara eggs were detected in 12 of the 13 sandpits, each examined 4-15 times; the overall prevalence was 92%. the eggs were not always distributed in the same pattern, but in general, e ... | 1993 | 8509622 |