Until the "duck disease" (intestinal coccidiosis) broke out there, in the summer of 1910, the annual market slaughter of ducks at the mouth of Bear River had been enormous.   anvd [Please select]

Some of the dead ducks were forwarded to the Biological Survey and were turned over for examination to the Bureau of Animal Industry, by the experts of which the disease was diagnosed as intestinal coccidiosis.   anvd [Please select]

The ducks of Great Salt Lake became afflicted with a terrible epidemic disease (intestinal coccidiosis) which swept off thousands, and stopped the use of Utah ducks as food.   anvd [Please select]