Starch Granule Test for the Evaluation of Oviductal Patency

Sofie Sitters, John J. Dascanio

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review


The oviduct plays a critical role during fertilization and early embryonic development. This chapter describes the starch granule test for the diagnosis of oviductal patency. The starch granule test involves the deposition of a starch suspension onto the ovarian surface and the subsequent recovery of starch from the uterus or cervix. One oviduct can be tested at a time. The chapter discusses step by step procedure for the diagnosis of oviductal patency in mare, and lists the equipment and supplies needed. The starch granule test requires individual testing of each oviduct on separate estrous cycles.

Original languageEnglish
Title of host publicationEquine Reproductive Procedures
Number of pages2
ISBN (Electronic)9781118904398
ISBN (Print)9780470960394
StatePublished - Aug 25 2014


  • Oviductal patency
  • Starch granule test


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