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Animal Science Database

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Abstract

The study aimed to evaluate the effect of one or two prostaglandin doses F2α (PGF2a) with or without equine chorionic gonadotropin (eCG) in the follicular dynamics, the preovulatory luteal function, as well as the structural and functional characteristics post-ovulatory of the corpus luteum (CL) in ...

Author(s)
Rodrigues, A. S.; Silva, M. A. A.; Brandão, T. O.; Nascimento, A. B.; Bittencourt, R. F.; Chalhoub, M.; Bittencourt, T. C. B. S. C.; Ribeiro Filho, A. de L.
Publisher
Colégio Brasileiro de Patologia Animal, Rio de Janeiro, Brazil
Citation
Pesquisa Veterinária Brasileira, 2018, 38, 8, pp 1518-1527
Abstract

The aim of this study was to reduce the waiting voluntary period in dairy cows by administration of two different hormonal protocols for estrus synchronization and fixed-time artificial insemination (FTAI). One hundred twenty-eight Holstein dairy cows were studied. Three groups (G) were carried...

Author(s)
Suplicy, M.; Suplicy Filho, H.; Kozicki, L. E.; Breda, J. C. dos S.; Weiss, R. R.; Segui, M. S.
Publisher
Universidade Federal do Paraná, UFPR, Curitiba, Brazil
Citation
Archives of Veterinary Science, 2012, 17, 3, pp 57-62
Abstract

The objectives were to evaluate the effects of the administration of either eCG or progesterone (P4) alone or combined on endogenous P4 concentrations and pregnancy per AI in lactating dairy cows. Cows received a P4-releasing intravaginal device (PRID) and estradiol benzoate on D-8. The PRID was...

Author(s)
Sampaio, P. C.; Alves, N. G.; Souza, J. C.; Sales, J. N. S.; Carvalho, R. J.; Lima, R. R.; Teixeira, A. A.; Nogueira, G. P.; Ascari, I. J.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Animal Reproduction Science, 2015, 162, pp 88-94
Abstract

The hypotheses of this study were (1) that the administration of 400 IU eCG in a TAI protocol would increase ovarian follicular growth and diameter of the largest follicle (LF), volume of the CL, and produce an earlier rise on serum concentration of progesterone (P4) to ultimately improve P/AI...

Author(s)
Ferreira, R. M.; Ayres, H.; Sales, J. N. S.; Souza, A. H.; Rodrigues, C. A.; Baruselli, P. S.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Animal Reproduction Science, 2013, 140, 1/2, pp 26-33
Abstract

The objectives were to evaluate the effects of equine chorionic gonadotropin (eCG) supplementation (with or without eCG) and type of ovulatory stimulus (GnRH or ECP) on ovarian follicular dynamics, luteal function, and pregnancies per AI (P/AI) in Holstein cows receiving timed artificial ...

Author(s)
Souza, A. H.; Viechnieski, S.; Lima, F. A.; Silva, F. F.; Araújo, R.; Bó, G. A.; Wiltbank, M. C.; Baruselli, P. S.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2009, 72, 1, pp 10-21
Abstract

ALLAIRE, F. R. Probabilities arising from dairy sire evaluation models: 958-959.
ATKESON, G. W., MEADOWS, C. E., and McGILLIARD, L. D. Weighting components of type in classifying Holsteins: 977.
AULETTA, F. J., and BLACK, D. L. Effect of oxytocin and central nervous system stimulants on the bovine...

Citation
Journal of Dairy Science, 1968, 51, pp 925-990
Abstract

ARAVE, C. W., and LAMB, R. C. Relationship between a dairy cattle production index and genotype at the serum transferrin and four milk protein loci: 666.
ARORA, K. K., and FREEMAN, A. E. Environmental correlation between paternal half-sibs for milk and milk fat production: 655.
BATRA, T. R.,...

Citation
Journal of Dairy Science, 1970, 53, pp 631-688
Abstract

The place of artificial insemination in the German breeding policy is discussed [see also GÖTZE- V.B. 13. 105]. Since 1942 the method has Been given trial under practical conditions at centres in N.W. Germany. The work at these centres is described in detail and, in the case of horses and goats,...

Author(s)
GOTZE, R.; ROSENBERGER, G.
Citation
Deutsche Tierarztliche Wochenschrift, 1944, 52, pp 117-121
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

ANDERSON, W. R., and FLIPSE, R. J. Production of carnosine by bovine spermatozoa: 938. BECKER, R. B., and ARNOLD, P. T. D. Preliminary life-expectancy estimates for desirable bulls in artificial insemination: 939. BEROUSEK, E. R., WHATLEY, J. A. (Jr. ), MORRISON, R. D., MUSGRAVE, S. D., and HARVEY, ...

Citation
Journal of Dairy Science, 1959, 42, pp 894-944

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