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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

AN extensive review of the literature is given under the headings: factors affecting bull semen characters; correlation between semen characters and fertility; factors influencing fertility of the cow; influence of technique on breeding results. The results were obtained from 12 pedigree Hereford...

Author(s)
LASLEY, J. F.; BOGART, R.
Citation
Research Bulletin. Missouri Agricultural Experiment Station, 1943, 376, pp 56 pp.
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

Rollinson discussed the literature, with some 140 references. Attention is drawn to the similarity between sexual excitement and other physiological reactions (anger, fear, pain, epilepsy). All five states have the following in common-diminished sensory perception, dilatation of the pupils,...

Author(s)
Smith, J.
Publisher
Comm. for Technical Cooperation in Africa South of the Sahara, Publ. Bureau, London, UK
Citation
Bulletin of epizootic diseases of Africa, 1962, pp 209-217
Abstract

This volume has been prepared, according to Dr. McDonald's preface, with the needs of the harassed veterinary student very much in mind. The author, with the assistance of three contributors, has therefore aimed at providing a concise and practical description of endocrinology and reproduction in...

Author(s)
McDONALD, L. E.
Publisher
Philadelphia: Lea & Febiger.,
Citation
Veterinary endocrinology and reproduction., 1969, pp xv+460 pp.
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 of this study was to evaluate protocols for synchronizing ovulation in beef cattle. In experiment 1, Nelore cows (Bos indicus) at random stages of the oestrous cycle were assigned to 1 of the following treatment groups: (1) GP controls (non-lactating, n = 7) received GnRH agonist...

Author(s)
Barros, C. M.; Moreira, M. B. P.; Figueiredo, R. A.; Teixeira, A. B.; Trinca, L. A.
Citation
Theriogenology, 2000, 53, 5, pp 1121-1134
Abstract

The present work evaluated the low cost of timed artificial insemination (TAI) in beef cattle. In Experiment 1, cycling nonlactating Nelore cows (Bos indicus, n=98) were assigned to the following groups: GnRH-PGF (GP) and GnRH-PGF-GnRH (GPG), whereas cycling (n=328, Experiment 2) or anoestrus...

Author(s)
Fernandes, P.; Teixeira, A. B.; Crocci, A. J.; Barros, C. M.
Publisher
Elsevier Science Inc., New York, USA
Citation
Theriogenology, 2001, 55, 7, pp 1521-1532
Abstract

To compare 2 hormonal protocols for submission of lactating dairy cows for timed artificial insemination (TAI), nonpregnant lactating Holstein cows (n=269) >60 d in milk were randomly assigned to each of 2 treatments to receive TAI (TAI=d 0). Cows assigned to the first treatment (Ovsynch, n=134)...

Author(s)
Navanukraw, C.; Redmer, D. A.; Reynolds, L. P.; Kirsch, J. D.; Grazul-Bilska, A. T.; Fricke, P. M.
Publisher
American Dairy Science Association, Savoy, USA
Citation
Journal of Dairy Science, 2004, 87, 5, pp 1551-1557

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