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Show Parasites Cause Great Losses. There are thousands of species of parasites belonging to the animal kingdom already known to man, and new ones are continually being discovered. discov-ered. Some of them appear to be quite harmless; others are most injurious, in-jurious, and some produce conditions for which no cures have been discovered. discov-ered. The loss to the live stock industry in-dustry in the United States from animal ani-mal parasites amounts to hundreds of millions of dollars every year, and In addition to this damage certain of these parasites can be transmitted to man, either In meat or in oilier ways. It was for the purpose of Investigating In-vestigating such parasitic organisms wllh the view of developing ui'dhods of prevention, control and treatment (lint the zoological division of the bureau bu-reau of animal Industry was established. |