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Animal Science Database

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Abstract

The goals of this study were to assess whether the injection of 1 mg of estradiol cypionate (ECP) at 13 days after service of artificial insemination (AI) increases fertility in the study subject and if the same dose injected in the near estrus (20±1 days) after artificial insemination services...

Author(s)
Leyva, C.; Aguilar, D.; Morales, J. L.; Pérez-López, S.; Véliz, F. G.; Soto-Domínguez, A.; Morán Martínez, J.
Publisher
Taylor & Francis, Abingdon, UK
Citation
Journal of Applied Animal Research, 2016, 44, 1, pp 24-26
Abstract

Greater metabolic demands in high-producing dairy cows are believed to be a cause of sub-fertility in these animals. Previously, supplementation with vitamin B complex molecules has shown benefits in improving milk production, health, and reproductive efficiency of dairy cows. The primary aim of...

Author(s)
Kaur, M.; Hartling, I.; Burnett, T. A.; Polsky, L. B.; Donnan, C. R.; Leclerc, H.; Veira, D.; Cerri, R. L. A.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 2, pp 1642-1657
Abstract

This study aimed to investigate the association between plasma adipokine concentrations and metabolic and reproductive parameters in Holstein dairy cows fed diets with different energy levels during the peripartum period. The experiment started 1 mo before first calving and was maintained for 2...

Author(s)
Mellouk, N.; Rame, C.; Touzé, J. L.; Briant, E.; Ma, L.; Guillaume, D.; Lomet, D.; Caraty, A.; Ntallaris, T.; Humblot, P.; Dupont, J.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2017, 100, 10, pp 8518-8533
Abstract

The objective of this study was to determine the association between ambient temperature and humidity, vaginal temperature, and automated activity monitoring in synchronized cows. Lactating Holstein cows (n=641; 41.5±9.4 kg of milk/d) were fitted with leg-mounted pedometers, resulting in 843...

Author(s)
Polsky, L. B.; Madureira, A. M. L.; Drago Filho, E. L.; Soriano, S.; Sica, A. F.; Vasconcelos, J. L. M.; Cerri, R. L. A.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2017, 100, 10, pp 8590-8601
Abstract

The objective was to decrease the reinsemination interval (RI) when dairy cows and heifers are inseminated using all timed artificial insemination (TAI) programs. Holstein cows (n=211) and heifers (n=153) were randomly assigned to a control or 21-day Resynch (21dRES) at 13 days after TAI. Animals...

Author(s)
Kelley, D. E.; Ibarbia, L.; Daetz, R.; Bittar, J. H.; Risco, C. A.; Santos, J. E. P.; Ribeiro, E. S.; Galvão, K. N.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2016, 85, 2, pp 230-237
Abstract

The objective of this study was to examine the effects of increasing circulating progesterone in multiparous Holstein cows, using an intravaginal progesterone implant between days 3 and 7 following fixed-time artificial insemination (FTAI). The animals were randomly assigned into two groups: (1)...

Author(s)
Marques, T. C.; Leão, K. M.; Viu, M. A. de O.; Sartori, R.
Publisher
Springer, Amsterdam, Netherlands
Citation
Tropical Animal Health and Production, 2014, 46, 2, pp 405-410
Abstract

Two experiments were designed to evaluate the effect of different insemination times (12 and 24 h or 18 and 30 h) and different types of semen (sex-sorted or non-sorted sperm) on embryo production in Nelore (Bos indicus) and Holstein (Bos taurus) superstimulated donors. In the first experiment,...

Author(s)
Soares, J. G.; Martins, C. M.; Carvalho, N. A. T.; Nicacio, A. C.; Abreu-Silva, A. L.; Campos Filho, E. P.; Torres Júnior, J. R. S.; SáFilho, M. F.; Baruselli, P. S.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Animal Reproduction Science, 2011, 127, 3/4, pp 148-153
Abstract

Acute puerperal metritis (APM) and clinical metritis (CM) are uterine diseases frequently diagnosed in dairy cows. These diseases are responsible for important economic loss because of their effect not only on reproductive performance but also on milk production. The objective of this study was to...

Author(s)
Armengol, R.; Fraile, L.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2015, 83, 8, pp 1344-1351
Abstract

Currently almost all dairy cattle are dehorned as calf to avoid injuries later in life. A welfare friendly alternative to dehorning is to breed polled cattle. This paper explores the potential to breed for polledness in the Holstein breed, and investigates the genetic merit and relatedness of both...

Author(s)
Windig, J. J.; Hoving-Bolink, R. A.; Veerkamp, R. F.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Livestock Science, 2015, 179, pp 96-101
Abstract

An efficient dairy herd must produce a living, healthy calf per cow per year, and it should be accomplished with a Calving-Conception Interval (CCI) no greater than 100 days. Objective: Describe CCI epidemiological aspects in specialized dairy cattle in Costa Rica during the 2000-2013 period....

Author(s)
Roche Loaiza, A. la; Vargas Leitón, B.; Camacho Sandoval, J.; Castillo Badilla, G.; Romero Zúñiga, J. J.
Publisher
Escuela de Medicina Veterinaria, Universidad Nacional de Costa Rica, Heredia, Costa Rica
Citation
Revista Ciencias Veterinarias, 2019, 37, 1, pp 27-45

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