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Abstract

Cattle that are not pregnant to first fixed-time artificial insemination (TAI) may be resynchronized for a second TAI if they are found nonpregnant at pregnancy diagnosis. The specific interval between first and second TAI ranges from 4 to 8 wk. The selected interval depends on the available method ...

Author(s)
Green, J. C.; Okamura, C. S.; Mathew, D. J.; Newsom, E. M.; Lucy, M. C.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2010, 93, 12, pp 5668-5672
Abstract

The objectives of the current study were to evaluate the effects of supplemental progesterone after artificial insemination (AI) on expression of IFN-stimulated genes (ISG) in blood leukocytes and fertility in lactating dairy cows. Weekly cohorts of Holstein cows were blocked by parity (575...

Author(s)
Monteiro, P. L. J., Jr.; Ribeiro, E. S.; Maciel, R. P.; Dias, A. L. G.; Solé, E., Jr.; Lima, F. S.; Bisinotto, R. S.; Thatcher, W. W.; Sartori, R.; Santos, J. E. P.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2014, 97, 8, pp 4907-4921
Abstract

The widespread use of artificial insemination has allowed the expansion of genetic progress. However, it also brought consequences such as the expansion of lethal hereditary diseases and the increase in inbreeding. The object of this study was to establish a fast and sensitive molecular assay to...

Author(s)
Federici, M. T.; Sica, A. B.; Artigas, R.; Briano, C.; Dutra, F.; Llambí, S.
Publisher
Universidade Federal do Paraná, UFPR, Palotina, Brazil
Citation
Archives of Veterinary Science, 2018, 23, 4, pp 1-9