Report on the Agricultural Experiment Stations, 1952 Page: 69
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RESEARCH IN LIVESTOCK PRODUCTION 69
Cattle Losses Due to Trichloroethylene-Extracted Soybean Feeds
The Kansas station reports that heavy losses were encountered in a
herd of cattle fed a high level of trichloroethylene-extracted soybean
pellets. Similar losses had been reported from the stations in Colorado,
Iowa, Minnesota, and South Dakota. Feeding experiments conducted
by the Kansas investigators have definitely proved that a hemorrhagenic
factor is present in soybean feed extracted by this process.
Cattle fed the soybean pellets developed internal hemorrhages
throughout the whole body, which could not be controlled by medicinal
treatment. As a result of the Kansas station findings, this extraction
process is no longer used by mills in Kansas for production of soybean
feed for ruminants.
Bacitracin Treatment for Shipping Fever
Bacitracin has been found by the Wyoming station to have a beneficial
effect in the treatment of hemorrhagic septicemia (shipping
fever) of sheep and cattle. Studies on this subject have included field
trials in cooperation with practicing veterinarians and control studies
on animals owned by the University. An intramuscular injection of
10,000 units of bacitracin was effective in treating cattle with uncomplicated
hemorrhagic septicemia, although 20,000 units were necessary
to treat the disease in sheep.
The foregoing are but a few examples of the studies in the field of
veterinary research. Many others of equal importance are in progress,
and as their findings are definitely established, the results will be
made known through technical and popular publications.
RESEARCH IN LIVESTOCK PRODUCTION
Many of the State experiment stations are continuing to contribute
materially to the bringing about of greater efficiency in livestock production.
Emphasis is placed both on the improvement of existing
breeds and on cross-breeding, as well as on new practices whereby meat
can be produced with greater economy. The Nation-wide emphasis
on grassland farming is in large measure an effort to bring about a
sustained program of pasture and forage abundance, thus assuring
the Nation of a continued supply of. animal products at reasonable
prices. Much of the station research is carried on in close association
with the livestock industry and with the United States Department of
Agriculture which is cooperating with the experiment stations in
regional breeding and related projects. In recent years efficient utilization
of forage and of supplementary feeds has been given special
emphasis. Examples of outstanding contributions along the lines
mentioned, as reported in the past year, are summarized briefly in
Cornstalks and cobs reduce cost of cattle gains
Through research on the nutrient requirements of rumen microorganisms,
animal scientists are learning how to make more efficient
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United States. Office of Experiment Stations. Report on the Agricultural Experiment Stations, 1952, book, January 1953; Washington D.C.. (digital.library.unt.edu/ark:/67531/metadc5990/m1/71/: accessed February 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.