Ultrasonographic study of ovarian function during early pregnancy and after parturition in the ewe

Theriogenology

Volumn 53, Issue 3, 2000, Pages 673-689

  Bartlewski, P M ^a   Beard, A P ^b   Rawlings, N C ^a  

^a UNIVERSITY OF SASKATCHEWAN   (Canada)

^b NEWCASTLE UNIVERSITY   (United Kingdom)

Author keywords

Early pregnancy; Ewe; Ovary; Postpartum; Ultrasonography

Indexed keywords

ANIMAL; ANIMAL DISEASE; ARTICLE; CORPUS LUTEUM; ECHOGRAPHY; FEMALE; GESTATIONAL AGE; HISTOLOGY; OVARY; OVARY FOLLICLE; PHYSIOLOGY; PREGNANCY; PRENATAL DEVELOPMENT; PUERPERIUM; SHEEP;

ANIMALS; CORPUS LUTEUM; FEMALE; GESTATIONAL AGE; OVARIAN FOLLICLE; OVARY; POSTPARTUM PERIOD; PREGNANCY; SHEEP; ULTRASONOGRAPHY, PRENATAL;

EID: 0034132949     PISSN: 0093691X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0093-691X(99)00266-6     Document Type: Article

References (20)

1. Al-Gubory KH, Abdennebi L. Evidence that the conceptus contributes to the inhibition of follicular growth in the ewe. Anim Reprod Sci 1996; 45: 71-80
2. Al-Gubory KH, Camous S, Abd El-Razek I, Soulier C, Martal J, Fevre J, Driancourt MA. Evidence that placental factors contribute to the control of ovarian follicular activity in the ewe. J Reprod Fertil (Abstr Ser) 1997; 20: 27 abstr.
3. Al-Gubory KH, Martinet J. Effect of the corpus luteum on ovarian follicle populations and growth in the ewe. Anim Reprod Sci 1987; 13: 269-281.
4. Al-Gubory KH, Martinet J. Comparison of the total ovarian follicular population at Day 140 of pregnancy and at Day 5 postpartum in ewes. Theriogenology 1986; 25: 795-808.
5. Al-Gubory KH, Paly J and Martinet J. Effects of pregnancy and hysterectomy on antral follicular population and growth in the ewe. Anim Reprod Sci 1992; 35: 209-221.
6. Bartlewski PM, Beard AP, Cook SJ, Chandolia RK, Honaramooz A, Rawlings NC. Ovarian follicular dynamics and their relationships with endocrine variables in two breeds of sheep differing in prolificacy. J Reprod Fertil 1999; 115: 111 -124.
7. Beard AP, Lamming GE. Oestradiol concentration and the development of the uterine oxytocin receptor and oxytocin-induced PGF-2alpha. J Reprod Fertil 1994; 100: 469-475.
8. Bellin ME, Hinshelwood MM, Hauser ER, Ax RL. Influence of suckling and side of corpus luteum of pregnancy on folliculogenesis in postpartum cows. Biol Reprod 1984; 31: 849-855.
9. Dufour JJ, Ginther OJ, Casida LE. Intraovarian relationship between corpora lutea and ovarian follicles in ewes. Am J Vet Res 1972; 33: 1445-1451.
10. Guilbault LA, Dufour JJ, Thatcher WW, Drost M, Haibel GK. Ovarian follicular development during early pregnancy in cattle. J Reprod Fertil 1986; 78: 127-135.
11. Koziorowski M, Stefanczyk-Krzymowska S, Czarnocki J, Krzymowski T. Countercurrent transfer and back transport of tritiated PGF-2alpha in the cow's broad ligament vasculature ipsilateral and contralateral to the corpus luteum. Act Physiol Pol 1989; 40: 96-103.
12. Krzymowski T. Advances and perspectives in reproductive endocrinology of domestic animals. J Physiol Pharmacol 1992; 43: 5-19.
13. Lewis GS, Bolt DJ. Effects of suckling, progesterone-impregnated pessaries or hysterectomy on ovarian function in autumn-lambing ewes. J Anim Sci 1987; 64: 216-220.
14. Manabe T, Goto K, Ideta A, Taniguchi S, Ookutsu S, Nakanishi Y, Yanagita K, Kamimura S, Nagai T, Yamakawa H. Ultrasonographic analysis of the number of large, middle and small follicles of Japanese Black cattle during the oestrous cycle and early pregnancy. J Reprod Dev 1997; 43: 1-7.
15. Pierson RA, Ginther OJ. Intraovarian effect of the corpus luteum on ovarian follicles during early pregnancy in heifers. Anim Reprod Sci 1987; 15: 53-60.
16. Pierson RA, Ginther OJ. Ovarian follicle populations during early pregnancy in heifers. Theriogenology 1986; 26: 649-659.
17. Ravindra JP. Gonadotrophins and Ovarian Function in Ewes. PhD Dissertation , University of Saskatchewan, 1993.
18. Schrick FN, Surface RA, Prichard JY, Dailey RA, Townsend EC, Inskeep EK. Ovarian structures during the estrous cycle and early pregnancy in ewes. Biol Reprod 1993; 49: 1133-1140.
19. Slama H, Zaiem B, Chemli J, Tainturier D. Resumption of ovarian activity during the postpartum period in dairy cows. Rev Med Vet 1996; 147: 453-456.
20. Williams SM, Garrigus US, Norton HW, Nalbandov AV. The occurrence of estrus in pregnant ewes. J Anim Sci 1956; 15: 978-983.