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Abstract

The objective was to compare pregnancy rates and pregnancy losses in lactating dairy cows that were diagnosed not pregnant and re-inseminated following either the Ovsynch® or Heatsynch protocols. Also evaluated were the effects of stages of the estrous cycle, ovarian cysts and anestrus on pregnancy ...

Author(s)
Bartolome, J. A.; Silvestre, F. T.; Kamimura, S.; Arteche, A. C. M.; Melendez, P.; Kelbert, D.; McHale, J.; Swift, K.; Archbald, L. F.; Thatcher, W. W.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2005, 63, 6, pp 1617-1627
Abstract

Author(s)
Thatcher, W. W.; Bartolome, J. A.; Sozzi, A.; Silvestre, F.; Santos, J. E. P.
Publisher
Kluwer Academic Publishers, Dordrecht, Netherlands
Citation
Veterinary Research Communications, 2004, 28, suppl 1, pp 111-119
Abstract

Pregnancy rates were compared in lactating dairy cows (n=1083) assigned to protocols for resynchronization of ovulation based on stages of the estrous cycle, or presence of ovarian cysts or anestrus. Cows were detected not pregnant by ultrasonography 30 d after a previous AI (study day 0) and...

Author(s)
Bartolome, J. A.; Sozzi, A.; McHale, J.; Melendez, P.; Arteche, A. C. M.; Silvestre, F. T.; Kelbert, D.; Swift, K.; Archbald, L. F.; Thatcher, W. W.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2005, 63, 6, pp 1628-1642