J. Anim Sci.
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J. Anim Sci. 1969. 29:727-733.
© 1969 American Society of Animal Science
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Effects of Season, Mating and Pregnancy on the Volume and Protein Content of Ewe Oviduct Fluid1

F. A. Murray, Lemuel Goode and A. C. Linnerud2

North Carolina State University, Raleigh

Abstract

Gamete transport, fertilization and the initiation of cleavage are important events which occur in the biochemical environment of the mammalian oviduct. Recently developed techniques for cannulating oviducts have made possible the study of their secretions (Clewe and Mastroianni, 1959; Black, Duby and Riesen, 1963; Perkins et al., 1965; Restall, 1966a). However, the relationship of oviduct fluid to the well-being of ova, spermatozoa and the preimplantation stages of the embryo remains obscure. Furthermore, our knowledge of factors affecting the secretion rate and composition of oviduct fluid is limited, and the effects of installing a cannula in the oviduct on fertilization and early embryo development have not been determined.

To date, most studies of oviduct fluid have been carried out with fluid obtained from oviducts ligated at the tubo-uterine junction. However, such data may not be representative of conditions existing in the oviduct after mating. It is becoming increasingly evident that the rate of fluid secretion by the oviduct is under hormonal control (Mastroianni et al., 1961; Perkins et al., 1965; Restall, 1966b).

Footnotes

1 Paper No. 2752 of the Journal Series of the North Carolina State University Experiment Station, Raleigh.

2 Graduate Assistant, Professor of Animal Science, and Assistant Professor of Experimental Statistics, respectively.






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