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Abstract

Repeat breeding is an important factor affecting economic success in dairy management. The objective of this study was to investigate the effectiveness of transfer of frozen-thawed IVF embryos in establishing pregnancy in repeat-breeding Holstein cattle. Cumulus oocyte complexes were collected by...

Author(s)
Dochi, O.; Takahashi, K.; Hirai, T.; Hayakawa, H.; Tanisawa, M.; Yamamoto, Y.; Koyama, H.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2008, 69, 1, pp 124-128
Abstract

Greater milk production in modern dairy cattle has led to greater nutritional needs, increased rates of post-partum anoestrus, reduced oestrus detection rates, lower conception and pregnancy rates and a higher incidence of embryonic mortality. In addition, larger herds have resulted in management...

Author(s)
Bó, G. A.; Mapletoft, R. J.
Publisher
British Cattle Veterinary Association, Quedgeley, UK
Citation
Cattle Practice, 2012, 20, 1, pp 19-28
Abstract

Recent protocols which provide possibilities for oestrus synchronization that is precise enough to permit fixed-timed artificial insemination or embryo transfer without the need for oestrus detection are described. Synchronization of oestrus and ovulation; the use of GnRH, pLH, progesterone and...

Author(s)
Bó, G. A.; Mapletoft, R. J.
Publisher
Ordre des médecins vétérinaires du Québec, Saint-Hyacinthe, Canada
Citation
Médecin Vétérinaire du Québec, 2004, 34, 1/2, pp 57-59
Abstract

Our expanding knowledge of the control of follicular wave dynamics during the bovine oestrous cycle has resulted in renewed enthusiasm for the prospects of precisely controlling the follicular and luteal dynamics and the time of ovulation. Follicular wave development can be controlled mechanically...

Author(s)
Bó, G. A.; Baruselli, P. S.; Moreno, D.; Cutaia, L.; Caccia, M.; Tríbulo, R.; Tríbulo, H.; Mapletoft, R. J.
Publisher
Elsevier Science Inc., New York, USA
Citation
Theriogenology, 2002, 57, 1, pp 53-72