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Abstract

One aim of this study was to compare the reproductive performance of cows and heifers when resynchronizing returns to oestrus for a second insemination by treating with an intravaginal progesterone-releasing device (IVD) for 7 or 8 d when estradiol benzoate (EB) was administered at the start of...

Author(s)
Cavalieri, J.; Hepworth, G.; Smart, V. M.; Ryan, M.; Macmillan, K. L.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2007, 67, 4, pp 824-834
AbstractFull Text

Author(s)
Fricke, P. M.
Publisher
The North American Veterinary Conference, Gainesville, USA
Citation
Large animal. Proceedings of the North American Veterinary Conference, Volume 21, Orlando, Florida, USA, 2007, 2007, pp 30-36
Abstract

The objective of this study was to evaluate the conception rate of crossbred heifers (n=50) and cows (n=50) inseminated with sexed and conventional semen between 18 and 24 hours after estrous detection. The synchronization protocol of the estrous cycle started on day zero (D0) by inserting the...

Author(s)
Peres, A. R.; Ifran, A. M.; Lima, M. R. de; Rossi, G. F.; Corrêa, R. R.; Garcia, J. M.
Publisher
Faculdade de Veterinaria, Universidade Federal Fluminense, Niterói, Brazil
Citation
Revista Brasileira de Ciência Veterinária, 2016, 23, 3/4, pp 186-190