...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」
...When the animals are inclosed in smallyards or pens they become infested with fleas, ticks, etc...
A. R. Harding 「Fur Farming」
...He must then takethe sheep near to the door through which it is to pass out, and neatlytrim the legs, leaving not a solitary lock anywhere as a lodging-placefor ticks...
Robert Jennings 「Sheep, Swine, and Poultry」
...The discovery of the connection ofthe ticks with the production of the disease has played a very important partin determining the methods that should be adopted in preventing its spread...
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 young ticks haveattached themselves to cattle the fever appears about 10 days thereafter in midsummer...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...When nativecattle are placed upon fields on which young ticks are already present, theywill show the fever in 13 to 15 days if the season is hot...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...The fever appears before the ticks have matured...
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」
...The former consists in excluding all cattle, horses, and mulesfrom pastures until all the ticks have died from starvation...
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」
...Furthermore, all ticks that can be seen should beremoved from the sick cattle, as they keep weakening the animal by withdrawinga considerable quantity of blood, and thereby retard recovery...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...In other words, 72 percent of the area has been freed from ticks in 16 years...
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」
...With the eradicationof the ticks, however, the southern farmers are enabled to introduce goodbreeding animals and to improve the grade of their stock...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...After the eggs hatch, the larval ticks, which emerge from them, when theysucceed in finding a host, enter the ears and gradually develop to the stage atwhich they are ready to leave the host animal...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
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