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  • Title: Lesions in Brangus cattle with Chediak-Higashi syndrome.
    Author: Ayers JR, Leipold HW, Padgett GA.
    Journal: Vet Pathol; 1988 Nov; 25(6):432-6. PubMed ID: 3212888.
    Abstract:
    Hair, peripheral blood leukocytes, and other tissues from two related Brangus calves with phenotypic characteristics of Chediak-Higashi syndrome were examined by light and electron microscopy. Enlarged, pleomorphic, cytoplasmic granules, morphologically compatible with lysosomes, were seen in several neutrophils, many eosinophils, renal tubular epithelial cells, and Kupffer cells. Hair shafts of the calves showed irregular distribution and clumping of melanin granules. Severe infection and a possible hemorrhagic tendency were recognized. These Brangus calves represent the third breed of cattle affected with this genetic disease.
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