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Embryo transfer as an option to improve fertility in repeat breeder dairy cows

Arkadiusz Nowicki

Arkadiusz Nowicki

Department of Animal Reproduction with Clinic, Faculty of Veterinary Medicine, University of Warmia and MazuryOlsztyn, Poland
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Nowicki, Arkadiusz
  
23 apr 2021
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Categoria dell'articolo: Review article
Pubblicato online: 23 apr 2021
Pagine: 231 - 237
Ricevuto: 30 ago 2020
Accettato: 08 mar 2021
DOI: https://doi.org/10.2478/jvetres-2021-0018
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© 2021 A. Nowicki., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Fig. 1

Possible causes of repeat breeding
Possible causes of repeat breeding

Conception rate in repeat breeder cows after AI or ET

Author Conception rate Comments
AI ET
Tanabe et al. 1985 (65) - 70% fresh embryos transferred surgically
Rodrigues et al. 2007 (52) 17.9% 41.7% frozen-thawed embryos
Son et al. 2007 (61) heat 7.7% vs TAI 18.5% 53.8% frozen-thawed embryos; TET with CIDR and EB
Dochi et al. 2008 (16) 20.4% 41.5% frozen-thawed IVF embryos following AI
Block et al. 2010 (7) TAI 31.3% 50.5% vs 27.7% fresh embryos vs vitrified embryos (in vitro); TET
Rodrigues et al. 2010 (53) - 42.9% vs 38.2% frozen-thawed embryos; TET with norgestomet implant and eCG (cows with or without CL on day 0 of the protocol)
Canu et al. 2010 (11) 30.0% 52.6% frozen-thawed embryos (92%) and fresh embryos (8%) following AI after natural heat
Yaginuma et al. 2019 (71) - 46.9% frozen-thawed IVF embryos following AI
Lingua:
Inglese
Frequenza di pubblicazione:
4 volte all'anno
Argomenti della rivista:
Scienze biologiche, Biologia molecolare, Microbiologia e virologia, Scienze della vita, altro, Medicina, Medicina veterinaria
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