. Activities handbook. Veterinary medicine. One of cobalt-OO units lor sterilizing jnipae of temperature and humidity conditions. At 5'/2 days ±6 hours of age, pupae were sterilized by being placed in a cobalt-60 unit where they were irradiated with 8,000 roentgens of gamma rays. After irradiation, pupae were packaged in cardboard cartons. The cartons were first stored for a day or two until the flies emerged and then were transported to dispersal centers and loaded in aircraft, from which they were dr()i)ped over the screwworm-infested areas. Twenty airplanes, each equipped


. Activities handbook. Veterinary medicine. One of cobalt-OO units lor sterilizing jnipae of temperature and humidity conditions. At 5'/2 days ±6 hours of age, pupae were sterilized by being placed in a cobalt-60 unit where they were irradiated with 8,000 roentgens of gamma rays. After irradiation, pupae were packaged in cardboard cartons. The cartons were first stored for a day or two until the flies emerged and then were transported to dispersal centers and loaded in aircraft, from which they were dr()i)ped over the screwworm-infested areas. Twenty airplanes, each equipped with an auto- matic carton-dispersing apparatus, were used in this oi) Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Agricultural Research Service. Animal Disease Eradication Division. [from old catalog]. Washington, Agricultural Research Service, U. S. Dept. of Agriculture


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Keywords: ., bookcentury1900, bookcollectionam, booksubjectveterinarymedicine