SPERMATOZOAN TRANSPORT AND LEUCOCYTIC RESPONSES IN THE REPRODUCTIVE TRACT OF CALVES

in Reproduction
Authors:
G. R. HOWE
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and
D. L. BLACK
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DOI:
https://doi.org/10.1530/jrf.0.0060305
Volume/Issue:
Volume 6: Issue 2
Page Range:
305–311
Article Type:
Research Article
Online Publication Date:
Oct 1963
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Summary.

Motile bull spermatozoa were found in the oviducts of young calves within 13 min after vaginal insemination. Administration of pregnant mares' serum (pms) and human chorionic gonadotrophin (hcg) with or without added progesterone or a combination of progesterone and oestrogen did not affect transport.

Leucocyte invasion into the reproductive tract occurred between 4 and 8 hr after vaginal insemination. Bacteria-free semen inseminated into the vagina initiated the leucocytic response while the introduction of the diluent or sterile physiological saline solution did not result in leucocyte invasion.

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Sept 2018 onwards Past Year Past 30 Days
Full Text Views 204 76 12
PDF Downloads 68 24 1

 

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Print ISSN:
1470-1626
Online ISSN:
1741-7899