3,283 research outputs found

    Nonlinear model identification by analysis of feedback-stimulated bifurcation

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    Local topological equivalence between two rival models breaks down when one of the models is at a state of bifurcation. Creation of bifurcation conditions by feedback consequently may be a useful and sensitive approach for model identification

    Salmonella in Livestock

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    Salmonella in livestock discusses what salmonella are and why they are important. Addressed are sources of infection, prevention and treatment, and precautions for human food products. Included is information on the disease in swine, cattle, poultry, and other animals

    Marek\u27s Disease - Leukosis

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    During the past few years there have been many significant new findings concerning the avian leukosis complex. Until recently these diseases were termed visceral leukosis, neural leukosis, or avian lymphomatosis. Recent research work in England and this country has clarified the cause of these diseases and they can be divided into two distinct diseases. These two diseases now known as Marek\u27s disease and lymphoid leukosis, are caused by two different viruses. Today, the tumors and associated conditions caused by these diseases are the major disease problems of broiler and laying flocks. The loss in the United States from death and condemnation at the processing plant, is estimated to be in excess of 200 million dollars annually
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