In vivo diagnosis of embryo mortality in sheep by real-time ultrasound

Small Ruminant Research

Volumn 24, Issue 2, 1997, Pages 141-145

  Kaulfuss, K H ^a,b   May, J ^a   Suss R ^b   Moog, U ^c  

^a UNIVERSITY OF LEIPZIG   (Germany)

^b MARTIN LUTHER UNIVERSITY HALLE WITTENBERG   (Germany)

^c Veterinary Practice   (Germany)

Author keywords

Early pregnancy diagnosis; Embryo mortality; Ovary examinations; Real time ultrasound; Sheep

Indexed keywords

OVIS; OVIS ARIES;

EID: 0041544199     PISSN: 09214488     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0921-4488(96)00939-X     Document Type: Article

References (29)

1. Bolet, G., 1986. Timing and extent of embryonic mortality in pigs, sheep and goats. In: J.M. Sreenan and M.S. Diskin (Editors), Embryonic Mortality in Farm Animals. Martinus Nijhoff, Dortrecht, The Netherlands, pp. 12-43.
2. Bor, A., Braw-Tal, R. and Gootwine, E., 1992. Monitoring ovarian response of Booroola Assaf ewe lambs to PMSG, using ultrasonography and serum estradiol. Theriogenology, 38: 645-652.
3. Buckrell, B.C., Bonnett, B.N. and Johnson, W.H., 1986. The use of real-time ultrasound rectally for early pregnancy diagnosis in sheep. Theriogenology, 25: 665-673.
4. Davey, C.G., 1986. An evaluation of pregnancy testing in sheep using a real - time ultrasound scanner. Am. Vet. J., 63: 347-348.
5. Edey, T.N., 1969. Prenatal mortality in sheep: A review. Anim. Breeding Abstr., 37: 173-190.
6. Garcia, A., Neary, M.K., Kelly, G.R. and Pierson, R.A., 1993. Accuracy of ultrasonography in early pregnancy diagnosis in the ewe. Theriogenology, 39: 847-861
7. Gearhart, M.A., Wingfield, W.E., Knight, A.P., Smith, J.A., Dargatz, D.A., Boon, J.A. and Stokes, C.A., 1988. Real-time ultrasonography for determining pregnancy status and viable fetal numbers in ewes. Theriogenology, 30: 323-335.
8. Geisler, P.A., Newton, J.E. and Mohan, A.E., 1977. A mathematical model of fertilization failure and early embryonic mortality in sheep. J. Agric. Sci., Camb., 89: 309-317.
9. Haibel, G.K., 1990. Use of ultrasonography in reproductive management of sheep and goat herds. Vet. Clin. North Am. Food Anim. Pract., 6: 597-613.
10. Kastelic, J.P., Pierson, R.A. and Ginther, O.J., 1990. Ultrasonic morphology of corpora lutea and central luteal cavities during the estrous cycle and early pregnancy in heifers. Theriogenology, 34: 487-498.
11. Kaulfuss, K.H., Brabant, S., Blume, K. and May, J., 1994. Possibilities and limits of the ultrasound ovary diagnosis in sheep. Bildgebung, 61 (Suppl. 2): 98.
12. Kaulfuss, K.H., Brabant, S., Uhlich, K. and Blume, K., 1995a. Foundations of the transrectal ovary and early pregnancy diagnosis in sheep by real-time ultrasound. Reprod. Dom. Anim., 30 (Suppl. 3): 170.
13. Kaulfuss, K.H., Brabant, S., Blume, K. and May, J., 1995b. The improvement of embryo transfer programmes by examination of the ovary response in superovulated donor ewes by transrectal real-time ultrasound. Dtsch. Tierärztl. Wschr., 102: 208-212.
14. Kaulfuss, K.-H., Uhlich, K. and Gille, U., 1995c. Transrectal ultrasound monitoring of ovine embryonic and foetal development in different breeds. Reprod. Dom. Anim., 30: 446.
15. Kleemann, D.O., Walker, S.K., Walkley, J.R.W., Smith, D.H., Grimson, R.J. and Seamark, R.F., 1990. Fertilization and embryo loss in Booroola Merino × South Australian Merino ewes: Effect of the F Gene. Theriogenology, 33: 487-497.
16. Logue, D.N., Hall, J.T., Mc Roberts, S. and Waterhouse, A., 1987. Real-time ultrasonic scanning in sheep: The results of the first year of its application on farms in south-west Scotland. Vet. Rec., 121: 146-149.
17. Pierson, R.A. and Ginther, O.J., 1984. Ultrasonography of the bovine ovary. Theriogenology, 21: 495-504.
18. Popovski, K., Kocoski, L.J., Trojacanec, P., Dovenski, T., Petkov, V., Veselinovic, S., Georgievski, B., Mickovski, G. and Adamov, M., 1992. Ultrasonic examination of the ovarian response in donor ewes. Proc. 8. Reunion of the "Association Europeenne de Transfert Embryonnaire", p. 200.
19. Quinlivan, T.D., Martin, C.A., Taylor, W.B. and Cairney, I.M., 1966. Estimation of pre-and perinatal mortality in the New Zealand Romney Marsh ewe. J. Reprod. Fert., 11: 379-390.
20. Ravindra, J.P., Rawlings, N.C., Evans, A.C.O. and Adams, G.P., 1994. Ultrasonographic study of ovarian follicular dynamics in ewes during the oestrous cycle. J. Reprod. Fert., 101: 501-509.
21. Reeves, J.J., Rantanen, N.W. and Hauser, M., 1984. Transrectal real-time ultrasound scanning of the cow reproductive tract. Theriogenology, 21: 485-495.
22. Rhind, S.M., Doney, J.M., Gunn, R.G. and Leslie, J.D., 1984. Effects of body condition and environmental stress on ovulation rate, embryo survival and associated plasma FSH, LH, Prolactin and Progesterone profiles in Scottish Blackface ewes. Anim. Prod., 38: 201-209.
23. Robertson, C., 1989. Scanning of ewes for pregnancy and multiple births. Wool Technol. and Sheep Breeding, 36: 123-125.
24. Schrick, F.N. and Inskeep, E.K., 1993. Determination of early pregnancy in ewes utilizing transrectal ultrasonography. Theriogenology, 40: 295-306.
25. Schrick, F.N., Surface, R.A., Pritchard, J.Y., Dailey, R.A., Townsend, E.C. and Inskeep, E.K., 1993. Ovarian structures during the oestrous cycle and early pregnancy in ewes. Biol. Reprod., 49: 1133-1140.
26. Sprecher, D.J., Nebel, R.L. and Whitemann, S.S., 1989. The predictive value, sensitivity and specificity of palpation per rectum and transrectal ultrasonography for the determination of bovine luteal status. Theriogenology, 31: 1165-1172.
27. Weber, E., 1972. Outline of the biological statistic. Gustav Fischer, Jena, Germany.
28. Wilmut, I., Sales, D.I. and Ashworth, D.J., 1986. Maternal and embryonic factors associated with prenatal loss in mammals. J. Reprod. Fert., 76: 851-864.
29. Zipper, N., Uhlich, K., Kaulfuss, K.H., Elze, K. and May, J., 1995. Registration of the number of embryos or foetus during the first two months of pregnancy in sheep by real-time ultrasound. Reprod. Dom. Anim., Suppl. 3: 175.