Peritoneoscopy via a Chronically Implanted Cannula to Observe Ovarian Activity in Ewes

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Abstract
Peritoneoscopic observation of ovarian activity in ewes over periods of 215, 304 and 424 days has been possible by the use of surgically-implanted Silastic or Plexiglas cannulae placed in the right paralumbar fossa. The major problem of intraperitoneal growth of granulation tissue over the cannula which had previously been associated with such devices has been overcome by the application of crystallized trypsin in combination with various corticosteroid ointments to the peritoneal portion of the cannula. This technique thus provides a potential means for visualizing follicular development and precisely determining the time of ovulation as a part of integrated approaches to the study of endocrine control mechanisms in reproduction. Copyright © 1969. American Society of Animal Science. Copyright 1969 by American Society of Animal Science

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