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Abstract

THE results were obtained at various times during 1934-41 on dairy cows (mostly Holstein-Friesian) and calves (17-117 days old) injected with unfractionated, follicle-stimulating, or luteinising extracts of sheep and cattle AP. Preliminary experiments with 26 calves injected subcutaneously...

Author(s)
CASIDA, L. E.; MEYER, R. K.; McSHAN, W. H.; WISNICKY, W.
Citation
American Journal of Veterinary Research, 1943, 4, pp 76-94
Abstract

A PRELIMINARY report of the 1st series of experiments has already been abstracted [see A. B. A., 17, No. 972]. A single intravenous injection of unfractionated sheep pituitary extract was given to groups of gilts (18 Chester Whites and 9 Poland-Chinas) on the 6th day of the luteal phase, or on the...

Author(s)
TANABE, T. Y.; WARNICK, A. C.; CASIDA, L. E.; GRUMMER, R. H.
Citation
Journal of Animal Science, 1949, 8, pp 550-557
Abstract

When injections of 2, 000 I.U. of P.M.S. (pregnant mare's serum) were given intramuscularly to sows during the luteal phase of the cycle, the effect was found to be largely if not solely follicle stimulating. Service of these animals confirmed that the semen is deposited into the uterus at this...

Author(s)
TANABE, T. Y.; WARNICK, A. C.; CASIDA, L. E.; GRUMMER, R. H.
Citation
Journal of Animal Science, 1949, 8, pp 550-557
Abstract

AKINS, E. L., LTJDWICK, T. M., RICKARD, H. E., RADER, E. R., and ETGEN, W. M. Association of certain type evaluations and type scores of first-lactation Holstein females: 748. ALMQTJIST, J. O., AMANN, R. P., and O'DELL, W. T. Sperm reserves of dairy bulls as determined by depletion trials and...

Citation
Journal of Dairy Science, 1958, 41, pp 701-751
Abstract

Adams, C. R., Becker, D. E., Terrill, S. W., Norton, H. W., and Jensen, A. H. Rate of ovulation and implantation in swine as affected by dietary protein: 1245. Alliston, C. W., and Ulberg, L. C. Early pregnancy loss in sheep at ambient temperatures of 70° and 90° F. : 1316. Anderson, D. E., and...

Citation
Journal of Animal Science, 1960, 19, pp 1216-1339
Abstract

The views of the authors are expressed in the light of their experimental work. The physiological principles of control of the ovarian cycle are discussed, together with the practical problems associated with such control. The complexities of the problems directly and indirectly associated with...

Author(s)
ROBINSON, T. J.; LAMOND, D. R.
Citation
Proceedings of the Australian Society of Animal Production, 1966, 6, pp 10-18
Abstract

Dahmen, J.J.; Hulet, C.V.; Price, D.A.; Everson, D.O. Effects of drylot and pasture management on ovulation rate in sheep: 204-205.Dave, B.K.; Graves, C.N. Enzymes of follicular fluid and effect on sperm: 205.Douglas, R.H.; Ginther, O.J. Effect of PGF2 alpha on estrous cycle and pregnancy in mares: ...

Citation
Journal of Animal Science, 1974, 39, pp 135-139
Abstract

Four experiments are described. In experiment 1, ewes were treated with intravaginal sponges impregnated with Cronolone, plus a daily injection in oil of 0, 5 or 25 mu g oestradiol-17 beta commencing on day 0 or 5 of the cycle. Cronolone suppressed luteal activity below that of untreated ewes. This ...

Author(s)
Croker, K. P.; Robinson, T. J.; Shelton, J. N.
Citation
VIIIth International Congress on Animal Reproduction and Artificial Insemination, Krakow, July 12-16, 1976. Proceedings. Volume I. Communication Abstracts., 1976, pp 62
Abstract

Progesterone levels in jugular plasma samples indicated that exogenous progesterone treatments were not interfering with the development of corpora lutea, but were inducing premature luteal regression. It was observed that short cycles occurred only in ewes treated before day 4 of the oestrous...

Author(s)
Bray, A. R.; Wodzicka-Tomaszewska, M.; Hecker, J. F.
Citation
VIIIth International Congress on Animal Reproduction and Artificial Insemination, Krakow, July 12-16, 1976. Proceedings. Volume I. Communication Abstracts., 1976, pp 43
Abstract

The concentration of progesterone in the plasma of 15 Finnish Landrace, 17 Fingalway (Finnish Landrace X Galway) and 18 Galway ewes was measured throughout the oestrous cycle. Blood samples were taken daily between 09.00 and 11.00 h. The ovaries were examined by laparoscopy, and the number of...

Author(s)
Quirke, J. F.; Gosling, J.
Citation
VIIIth International Congress on Animal Reproduction and Artificial Insemination, Krakow, July 12-16, 1976. Proceedings. Volume I. Communication Abstracts., 1976, pp 207

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