This Article Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Services Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via HighWire Citing Articles via Google Scholar Google Scholar Articles by Waberski, D. Articles by Weitze, K. F. Search for Related Content PubMed PubMed Citation Articles by Waberski, D. Articles by Weitze, K. F.

LH profile and advancement of ovulation after transcervical infusion of seminal plasma at different stages of oestrus in gilts

The influence of a transcervical infusion of seminal plasma on preovulatory LH profiles and the advancement of ovulation after seminal plasma infusion for different times during oestrus were investigated using the single uterine horn infusion technique (Mariensee model), in combination with transcutaneous sonographic monitoring of the ovaries. Preparative surgery in 23 German Landrace gilts comprised the detachment of the left uterine horn from the corpus, leaving the caudal end open to the peritoneal cavity but sealing the corpus wound. In six gilts fitted with a permanent jugular vein catheter the patent horns were administered a transcervical infusion of seminal plasma (n = 5 cycles) or PBS (n = 4 cycles) immediately after the detection of oestrus by a teaser boar. In addition, 17 non-catheterized gilts received infusions of seminal plasma either 0 h (n = 3 gilts), 16 h (n = 7 gilts) or 24 h (n = 7 gilts) after the detection of oestrus. Seminal plasma infusion at the onset of oestrus provoked ovulation in the ipsilateral ovary of the treated horn 8.5 ± 0.9 h earlier than in the contralateral (control) ovary. Seminal plasma did not influence the LH profile compared with PBS (P > 0.05), but shortened the interval between the LH peak and ipsilateral ovulation to 23.4 ± 4.0 h compared with 31.8 ± 3.4 h in the contralateral ovulation (P 0.01). Infusion 16 h after the onset of oestrus reduced the effect to 4.6 ± 3.8 h with a wide range of 0–8 h (P < 0.01). The effect was more pronounced in gilts with long intervals between the onset of oestrus and contralateral ovulation compared with earlier ovulation on the control ovary. Seminal plasma infusion less than 16 h before contralateral ovulation and 24 h after the detection of oestrus had no effect. It is concluded that transcervical infusion of seminal plasma early in oestrus synchronizes the variable intervals between the onset of oestrus and ovulation in sows by a locally active mechanism.

This article has been cited by other articles:

				S. A. Robertson Seminal fluid signaling in the female reproductive tract: Lessons from rodents and pigs J Anim Sci, March 1, 2007; 85(13_suppl): E36 - E44. [Abstract] [Full Text] [PDF]

				K.-P. Brussow, F. Schneider, A. Tuchscherer, J. Ratky, R. R. Kraeling, and W. Kanitz Luteinizing hormone release after administration of the gonadotropin-releasing hormone agonist Fertilan (goserelin) for synchronization of ovulation in pigs J Anim Sci, January 1, 2007; 85(1): 129 - 137. [Abstract] [Full Text] [PDF]