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Animal Science Database

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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 of this study was to determine the association of lung consolidation at weaning with later reproductive performance and survival. Ultrasonography of the lungs was performed at 60 d of life in recently weaned Holstein heifer calves from a single farm in New York State. Thoracic...

Author(s)
Teixeira, A. G. V.; McArt, J. A. A.; Bicalho, R. C.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2017, 100, 4, pp 2985-2991
Abstract

The objective of this study was to determine if high milk-yielding Holstein cows testing positive for bovine tuberculosis (bTB) are affected in their reproductive performance and milk yield. For this purpose, 1044 healthy cows and 105 bTB reactor cows were used. Tuberculosis reactor cows were from...

Author(s)
Mellado, M.; Reséndiz, D.; Martínez, A. M.; Santiago, M. A. de; Véliz, F. G.; García, J. E.
Publisher
Springer, Amsterdam, Netherlands
Citation
Tropical Animal Health and Production, 2015, 47, 6, pp 1061-1066
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

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
Abstract

Pregnancy per insemination is a major determinant of reproductive efficiency in cattle and is affected by concentrations of progesterone (P4) during early pregnancy. The relationship between pregnancy per artificial insemination (P/AI) and early luteal concentrations of P4, and repeatability of...

Author(s)
Parr, M. H.; Mullen, M. P.; Crowe, M. A.; Roche, J. F.; Lonergan, P.; Evans, A. C. O.; Diskin, M. G.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2012, 95, 5, pp 2390-2396
Abstract

Contentious issues in calf rearing include milk feeding practices and single versus group housing. The current study was performed on a high producing 170 Holstein cow dairy farm, to investigate the impact of nutrition and housing on growth and reproduction. Heifer calves (n=100) were allocated in...

Author(s)
Curtis, G.; Argo, C. M.; Jones, D.; Grove-White, D.
Publisher
Public Library of Sciences (PLoS), San Francisco, USA
Citation
PLoS ONE, 2018, 13, 2, pp e0191687
Abstract

We investigated the relationships between conception rates (CRs) at first service in Japanese Holstein heifers (i.e. animals that had not yet had their first calf) and cows and their test-day (TD) milk yields. Data included records of artificial insemination (AI) for heifers and cows that had...

Author(s)
Hagiya, K.; Terawaki, Y.; Yamazaki, T.; Nagamine, Y.; Itoh, F.; Yamaguchi, S.; Abe, H.; Gotoh, Y.; Kawahara, T.; Masuda, Y.; Suzuki, M.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Animal, 2013, 7, 9, pp 1423-1428
Abstract

Sixty female Holstein calves [body weight (BW)=39.5±3.76 kg] were fed a ground starter concentrate [19% crude protein, 19% neutral detergent fiber (NDF)] during the preweaning period. Furthermore, oats hay (68% NDF) was supplemented only during the postweaning period (CON) or during both pre- and...

Author(s)
Castells, L.; Bach, A.; Terré, M.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2015, 98, 7, pp 4748-4753

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