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Abstract

ARNOLD, F. Utilization of proved sires and sons of proved sires: 578-579. At present only about 1 sire out of 8 is alive when proved and worthy of further use. There is little chance of increasing the use of proved sires except through their sons, or through programmes designed to prove bulls at an ...

Citation
Journal of Dairy Science, 1940, 23, pp 473-586
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

Al-Obaidi, S.; Larson, L.L. Changes in electrical resistance of bovine cervical-vaginal mucus during estrous cycle : 769.Everett, R.W.; Slanger, W.D.; Schaeffer, L.R.; Henderson, C.R. Results from use of the relationship matrix in sire evaluation : 774.Henderson, C.R.; Schaeffer, L.R. Computational ...

Citation
Journal of Dairy Science, 1975, 58, pp 739-802
Abstract

The congress was held in Madrid, Spain on 16-20 June 1980. This vol. of the proceedings comprises abstr. in English and Spanish of the free communications that were presented at the 9 symposia held as part of the congress; vol. I & II give accounts of the plenary sessions and round table...

Publisher
Editorial Garsi., Madrid, Spain
Citation
9th International Congress on Animal Reproduction and Artificial Insemination. Volume III., 1980, pp 504pp.
Abstract

The objective was to investigate the associations between body condition scores (BCS) and daily body weight (BW) in the first 150 d of lactation (DIM) and reproductive performance in high-producing dairy cows. Data included automated daily BW measurements and BCS of 2,020 Israeli Holstein cows from ...

Author(s)
Straten, M. van; Shpigel, N. Y.; Friger, M.
Publisher
American Dairy Science Association, Savoy, USA
Citation
Journal of Dairy Science, 2009, 92, 9, pp 4375-4385
Abstract

Progesterone profiles in Norwegian Red cows were categorized, and associations between the occurrence of irregularities in the profiles and the commencement of luteal activity were investigated. The cows were managed in 3 feeding trials from 1994 to 2001 and from 2005 to 2008 at the Norwegian...

Author(s)
Garmo, R. T.; Martin, A. D.; Thuen, E.; Havrevoll, Ø.; Steinshamn, H.; Prestløkken, E.; Randby, Ǻ.; Eknæs, M.; Waldmann, A.; Reksen, O.
Publisher
American Dairy Science Association, Savoy, USA
Citation
Journal of Dairy Science, 2009, 92, 10, pp 4919-4928
Abstract

The objectives of this study were to evaluate the effect of administering 500 mg of recombinant bovine somatotropin (bST) every 10 d on ovulatory responses, estrous behavior, and fertility of lactating Holstein cows. Lactating dairy cows were assigned to 1 of 2 treatments: a control with no...

Author(s)
Rivera, F.; Narciso, C.; Oliveira, R.; Cerri, R. L. A.; Correa-Calderón, A.; Chebel, R. C.; Santos, J. E. P.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2010, 93, 4, pp 1500-1510
Abstract

The objective was to test potential presynchronization programs applied to cows before a timed artificial insemination (TAI) program to increase the percentage of cows ovulating in response to both GnRH injections of a TAI program and having a functional corpus luteum before the first GnRH...

Author(s)
Stevenson, J. S.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2011, 94, 1, pp 205-217
Abstract

Objectives were to determine effects of lactation and pregnancy on endometrial gene expression on d 17 of the estrous cycle and pregnancy. Heifers (n=33) were assigned randomly after parturition to lactating (L, n=17) or nonlactating (NL, n=16) groups. Cows were subjected to an ovulation...

Author(s)
Cerri, R. L. A.; Thompson, I. M.; Kim, I. H.; Ealy, A. D.; Hansen, P. J.; Staples, C. R.; Li, J. L.; Santos, J. E. P.; Thatcher, W. W.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2012, 95, 10, pp 5657-5675

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