...We had with us a small boy of ten or twelve years whose job it was to take care of the dogs and to remove ticks...
Stewart Edward White 「African Camp Fires」
...Daws and starlings search the backs ofcattle and sheep for ticks and other parasites, andit is plain that their visits are welcome...
W. H. Hudson 「Birds and Man」
...Thepresence of Texas-fever ticks on the cattle would also lead one to suspect thatdisease in regions where cattle are not immune from it...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...After hatching, the young ticks would soon get upon anynorthern cattle which happened to be on the pasture...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...These secondary objections to thepresence of ticks on cattle consists in the physical harm they do to the hostaside from the production of the specific disease of Texas fever...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...The shrinkage in the milk production of cattle harboring many ticks willaverage 1 quart a day, which in the aggregate is a heavy loss...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...After the acute stage of the fever has passed the ticks begin to swellup and show very plainly...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Therefore the various methods with these results in view shouldbe directed toward the destruction of ticks on cattle as well as theireradication from the pastures...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...While this may notcut short the disease, it may save the lives of some by removing them from thepossibility of attack by more young ticks...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Removal from infected pastureslikewise prevents a second attack, in October or early in November, which iscaused by another generation of ticks...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...From afatal case of Texas fever produced by placing young ticks on the animal...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...It can easily be seen that theextermination of the ticks means a large total annual increase in the pricesobtained for southern cattle sold in northern markets...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Furthermore, it is impossible for animals to attain good growthand to thrive when they are heavily infested with ticks...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Investigations not yet completed indicate that grub eradication maysometimes be accomplished by the use of arsenical dips, which are extensivelyused at the present time for destroying cattle ticks...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...About 10 species of ticks have been reported as parasites of cattle in theUnited States...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Mating between the sexes occurs after the ticks have cast their skinsfollowing the abandonment of their host...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
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