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Abstract

A survey was conducted on 5 dairy farms in Uruguay with 768 lactating Holstein cows to determine the factors involved in the success of AI services, from oestrous detection through conception, by the analysis of reproductive records and progesterone values from milk samples collected at day 0...

Author(s)
Cavestany, D.; Galina, C. S.
Publisher
Blackwell Wissenschafts-Verlag GmbH, Berlin, Germany
Citation
Reproduction in Domestic Animals, 2001, 36, 2, pp 79-84
Abstract

A field trial was conducted on 3 dairy farms in Uruguay to determine the factors affecting reproductive efficiency in a seasonal breeding AI programme in dairy herds. 328 lactating cows intended to be bred at the following breeding period were selected and the trial started one week before the...

Author(s)
Cavestany, D.; Galina, C. S.
Publisher
Blackwell Wissenschafts-Verlag GmbH, Berlin, Germany
Citation
Reproduction in Domestic Animals, 2001, 36, 2, pp 85-89
Abstract

Blood was sampled twice weekly for 60 days during the dry season in Apr. and May from 20 Indo-Brazilian, 20 Gyr an 20 American Brown Swiss (ABS) non-pregnant cows shown by palpation to have a corpus luteum. Only 55, 55 and 75% of cows of the 3 breeds resp. continued to cycle after the onset of the...

Author(s)
Lastra, M. F.; Galina, C. S.; Serratos, G.
Publisher
University College Dublin, Dublin, Irish Republic
Citation
11th International Congress on Animal Reproduction and Artificial Insemination, University College Dublin, Ireland, June 26-30, 1988. Volume 4. Brief Communications., 1988, Paper No. 535, pp 3pp.
Abstract

The effect of an intravaginal device containing 1.9 g of progesterone and one capsule of 10 mg estradiol benzoate (EB) (CIDR-B) was evaluated in Bos indicus. Upon withdrawal, calculations regarding oestrus rate, ovulation, pregnancy were considered. 122 B.indicus cows (experiment 1) and 30 heifers...

Author(s)
Diaz, G. S.; Galina, C. S.; Basurto, C. H.; Ochoa, G. P.
Publisher
Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
Citation
Archivos de Medicina Veterinaria, 2002, 34, 2, pp 235-244
Abstract

This review includes tabulated data and diagrams illustrating the authors' research. Information on the basic physiological mechanisms that regulate the reproductive function of zebu cows is scarce, and the little that is known indicates that there are peculiarities with respect to expression of...

Author(s)
Galina, C. S.; Escobar, F. J.
Publisher
University of Edinburgh Centre for Tropical Veterinary Medicine, Edinburgh, UK
Citation
Milk production in developing countries. Proceedings of the conference held in Edinburgh from the 2nd to 6th April, 1984 organised by the Centre for Tropical Veterinary Medicine., 1985, pp 245-253
Abstract

Several studies indicate that the length of the oestrous cycle in tropical cattle is about 21 days, and that the oestrous period lasts from 4 to 14 h depending on breed and time of year. Most of the published information suggests that these animals show overt oestrous signs in the early morning,...

Author(s)
Galina, C. S.; Arthur, G. H.
Citation
Animal Breeding Abstracts, 1990, 58, 8, pp 697-707