Responsiveness to boar stimuli and change in vulvar reddening in relation to ovulation in weaned sows

Journal of Animal Science

Volumn 78, Issue 12, 2000, Pages 3019-3026

  Langendijk, P ^a   Soede, N M ^a   Bouwman, E G ^a   Kemp, B ^a  

^a WAGENINGEN UNIVERSITY   (Netherlands)

Author keywords

Boars; Estrus; Ovulation; Sows

Indexed keywords

SUS SCROFA;

ANIMAL; ARTICLE; ESTRUS; FEMALE; MALE; OVULATION; PHYSIOLOGY; SEXUAL BEHAVIOR; SWINE; TIME; VULVA;

ANIMALS; ESTRUS; FEMALE; MALE; OVULATION; SEXUAL BEHAVIOR, ANIMAL; SWINE; TIME FACTORS; VULVA;

EID: 0034547257     PISSN: 00218812     EISSN: None     Source Type: Journal    
DOI: 10.2527/2000.78123019x     Document Type: Article

References (15)

1. Hemsworth, P. H., C. Hansen, G. J. Coleman, and E. Jongman. 1991. The influence of the conditions at the time of mating on reproduction of commercial pigs. Appl. Anim. Behav. Sci. 30:273-285.
2. Langendijk, P., N. M. Soede, and B. Kemp. 2000. Effects of boar contact and housing conditions on estrus expression in weaned sows. J. Anim. Sci. 78:871-878.
3. Nissen, A. K., N. M. Soede, P. Hyttel, M. Schmidt, and L. D'Hoore. 1997. The influence of time of insemination relative to time of ovulation on farrowing frequency and littersize in sows, as investigated by ultrasonography. Theriogenology 47:1571-1582.
4. Ozasa, H., and K. Gould. 1982. Demonstration and characterization of estrogen receptor in chimpanzee sex skin: Correlation between nuclear receptor level and degree of swelling. Endocrinology 111:125-131.
5. Rojkittikhun, T., M. Sterning, L. Rydhmer, and S. Einarsson. 1992. Oestrus symptoms and plasma levels of oestradiol-17β in relation to the interval from weaning to oestrus in primiparous sows. In: Proc. 12th Int. Pig Veterinary Society Congress, The Hague, paper 485.
6. Soede, N. M., W. Hazeleger, J. Broos, and B. Kemp. 1997. Vaginal temperature is not related to the time of ovulation in sows. Anim. Reprod. Sci. 47:245-252.
7. Soede, N. M., and B. Kemp. 1997. Expression of estrus and timing of ovulation in pigs. J. Reprod. Fertil. 52:91-103.
8. Soede, N. M., B. Kemp, and J. P. T. M. Noordhuizen. 1992. The duration of ovulation in pigs, studied by transrectal ultrasonography, is not related to early embryonic diversity. Theriogenology 38:653-666.
9. Soede, N. M., C. C. H. Wetzels, and B. Kemp. 1996. Estrus (standing response for boar and man) and ovulation in sows. Proc. 3rd Int. Conf. Boar Semen Preservation, Mariensee, Germany. Reprod. Domest. Anim. 31:293-294 (Abstr.).
10. Soede, N. M., C. C. H. Wetzels, W. Zondag, M. A. I. de Koning, and B. Kemp. 1995. Effects of time of insemination relative to ovulation, as determined by ultrasonography, on fertilization rate and accessory sperm count in sows. J. Reprod. Fertil. 104:99-106.
11. Stanchev, Ph., A. Kunavongkrit, L. E. Edqvist, and H. Eriksson. 1984. Receptors for estrogens and progesterone in the porcine cervix. Theriogenology 21:757-766.
12. Stanchev, P., H. Rodriguez-Martinez, L. E. Edqvist, and H. Eriksson. 1990. Characterization of uterine sex steroid receptors in the pig and their variation during the oestrus cycle. J. Steroid. Biochem. 35:689-699.
13. Stokhof, S. J. H., N. M. Soede, and B. Kemp. 1996. Vaginal mucus conductivity as measured by the Walsmeta MKIV does not accurately predict the moment of ovulation or the optimum time for insemination in sows. Anim. Reprod. Sci. 41:305-310.
14. Van de Wiel, D. F. M., J. Erkens, W. Koops, E. Vos, and A. A. J. van Landeghem. 1981. Perioestrous and midluteal time courses of circulating LH, FSH, prolactin, estradiol-17β and progesterone in the domestic pig. Biol. Reprod. 24:223-233.
15. Willemse, A. H., and J. Boender. 1967. The relation between the time of insemination and fertility in gilts. Tijdschrift Diergeneeskd. 92:18-34.