J. Anim Sci.
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J. Anim Sci. 1965. 24:69-75.
© 1965 American Society of Animal Science
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Prenatal Development of the Wool Follicles in Rambouillet Sheep1

J. L. Ruttle2 and A. M. Sorensen, Jr.3

Texas A&M University, College Station,4

Abstract

In summary, several statements can be made regarding wool follicle development in this group of Rambouillet sheep:

  1. Follicle initiation began on the 49th day of pre-natal life.
  2. Development of follicles appears to be the same as for other breeds, but density and ratio vary.
  3. Peak primary follicle development was between 72 and 112 days. Secondary development began at 84 days of fetal life and continued to birth.
  4. Branching of original follicles into derived follicles occurs in Rambouillet fetuses. It appears important as a means of producing high density.

Footnotes

1 Technical Article No. 4724, Texas Agricultural Experiment Station.

2 Present address: Animal Husbandry Department, New Mexico State University, University Park, New Mexico.

3 Associate Professor.

4 Animal Husbandry Department.






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Copyright © 1965 by the American Society of Animal Science.