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Archives Animal Breeding Archiv Tierzucht
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Volume 46, issue 2
Arch. Anim. Breed., 46, 187–198, 2003
https://doi.org/10.5194/aab-46-187-2003
© Author(s) 2003. This work is distributed under
the Creative Commons Attribution 3.0 License.
Arch. Anim. Breed., 46, 187–198, 2003
https://doi.org/10.5194/aab-46-187-2003
© Author(s) 2003. This work is distributed under
the Creative Commons Attribution 3.0 License.

  10 Oct 2003

10 Oct 2003

Follicular dynamic and ovulation in cattle – a review

W. Kanitz W. Kanitz
  • Department of Reproductive Biology, Research Institute for the Biology of Farm Animals, Wilhelm-Stahl-Allee 2, 18196 Dummerstorf, Germany

Abstract. A review is given about follicular populations and aspects of follicular development in cattle. Ovaries of cattle contain two different pools of follicles, the non-growing pool and the growing pool. Entry of primordial follicles into the growth phase occurs throughout the reproductive life. Once follicles are recruited to grow, they are destined to undergo atresia or ovulation. Growth of obligatory gonadotropin-dependent follicles occurs in a wave like pattern. The growth waves are characterised by the processes of recruitment, selection and dominance. The known mechanisms responsible for these three processes are discussed.

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