Cannulation of the equine oviduct and chemical analysis of oviduct fluid |
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Authors: | Campbell D L Douglas L W Ramge J C |
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Institution: | Department of Veterinary Science, University of Maryland, College Park, MD 20742 USA. |
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Abstract: | Siliconized rubber tubes were used to cannulate one oviduct in 7 mares, and secretions were collected in a polycarbonate container located externally, in the region of the left paralumbar fossa. Secretion rates were recorded daily during the estrous cycle. Concentrations of calcium, magnesium, sodium, potassium, inorganic phosphorus and glucose were determined in the oviduct fluids secreted throughout the estrous cycle. Secretion rates were greatest during estrus (days 1-9), with a significant decrease (P<.01) noted during nonestrus (days 10-21). Concentrations of all constitutents measured were low during estrus, with a marked elevation in concentration during the nonestrus period. Histologic examination of oviducts following long-term cannulation demonstrated infiltration of lymphocytes, plasma cells, and small areas of degenerated epithelium. |
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