The objective was to determine the survival of the eggs and free-living larvae of intestinal nematodes of cattle on summer ranges and winter pastures. Project Number 90.
Honess, Ralph F.
"Ecology of Cattle Helminth Worms,"
Jackson Hole Research Station Annual Report: Vol. 1956
, Article 7.
Available at: http://repository.uwyo.edu/jhrs_reports/vol1956/iss1/7