ECHINOCOCCUS-GRANULOSUS IN DOGS AND SHEEP IN CENTRAL UTAH, 1971-1976

  • 1 January 1978
    • journal article
    • research article
    • Vol. 39  (3) , 499-502
Abstract
From 1971-1976, a survey was conducted to determine the prevalence of E. granulosus infection among dogs and sheep in central Utah [USA]. For each year, the number of dogs positive for adult tapeworms of the total number examined and the percentage infected were: in 1971, 14 of 51 infected (27.4%); in 1972, 13 of 46 infected (28.3%); in 1973, 7 of 36 infected (19.4%); in 1974, 34 of 244 infected (13.9%); in 1975, 13 of 267 infected (4.9%); and in 1976, 14 of 195 infected (7.2%), or a 6-yr total of 95 of 839 infected (11.3%). For each yr, the number of sheep positive with hydatid cysts of the total number examined and the percentage infected were: in 1971, 103 of 1007 infected (10.2%); in 1972, 235 of 1808 infected (13.0%); in 1973, 242 of 2003 infected (12.1%); in 1974, 105 of 1406 infected (7.5%); in 1975, 96 of 1599 infected (6.0%); and in 1976, 96 of 1171 infected (8.2%), or a 6-yr total of 877 of 8994 infected (9.8%). This is a definite decline in numbers of infected animals and suggests that preventive and control measures advocated in central Utah are being implemented.

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