Infection of goats with Haemonchus contortus and Trichostrongylus colubriformis: histopathology and pH changes. |
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| Authors: | W A Rahman G H Collins |
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| Institution: | School of Biological Sciences, Universiti Sains Malaysia, Penang. |
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| Abstract: | Two groups of goats were experimentally infected with Haemonchus contortus and Trichostrongylus colubriformis, and killed at various days after infection (DAI). The percentage of worms that established in the abomasum and the small intestine was low. At necropsy, abomasums from infected goats had thickened walls and oedematous folds. At 7 DAI there was an initial infiltration of eosinophils and some neutrophils which tend to increase with age of infection. The mean pH of the abomasum in goats infected with H. contortus was 5.43 (range 5.3-5.7), while that of the control goats was 3.30 (range 2.8-3.7). |
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