Factors affecting the in vitro embryo production in buffalo (Bubalus bubalis): A review

S Kumar, Chaves Ms, da Silva Afb, Vale Wg, Filho Str, Ferreira-Silva Jc, Melo Lm and Freita Vjf
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S Kumar: Laboratory of Physiology and Control of Reproduction, State University of Ceará, Fortaleza, Brazil
Chaves Ms: Laboratory of Physiology and Control of Reproduction, State University of Ceará, Fortaleza, Brazil
da Silva Afb: Postgraduate Program in Veterinary Science, State University of Ceará, Fortaleza, Brazil
Vale Wg: Postgraduate Program in Veterinary Science, State University of Ceará, Fortaleza, Brazil
Filho Str: Animal Reproduction Sector, Federal Rural University of the Amazon, Belém, Brazil
Ferreira-Silva Jc: Animal Reproduction Sector, Federal Rural University of Pernambuco, Recife, Brazil
Melo Lm: Molecular Genetics Research Unit, University Center Fametro, Fortaleza, Brazil
Freita Vjf: Laboratory of Physiology and Control of Reproduction, State University of Ceará, Fortaleza, Brazil

Veterinární medicína, 2023, vol. 68, issue 2, 45-56

Abstract: Under natural and well-managed conditions, the buffalo has good reproductive and productive indices. However, in vitro embryo production (IVEP) has been used commercially to maximise the number of elite animals. In this species, several factors (donor management, in vitro culture medium, semen, in vitro conditions, embryo transfer) still affect the IVEP results. In addition, the cost of this technique is very high for this purpose. Therefore, more studies, as well as adequate plans, are needed to achieve this objective efficiently. In this review, we discussed the current commercial status, influencing factors (in vivo and in vitro), and the progress and future challenges of IVEP in buffalo. A total of 81 references were used from 1979 to 2022. The relevant data or literature were searched using the following databases: Google, ResearchGate, Science Alert, Science Direct and PubMed, using the following keywords: buffalo oocytes/COCs, buffalo embryos, pregnancy and calving or live birth rate after embryo transfer. The best maturation, cleavage and blastocyst rates in the in vitro production of buffalo embryos were 95.8, 75.2 and 33.4%, respectively. The pregnancy and live birth rates ranged from 22.2% to 43.5% and from 15.3% to 36.5%, respectively, after the transfer of fresh embryos produced in vitro to the recipients. This review will help to contextualise IVEP in buffaloes, as well as create an adequate plan for implementing IVEP in buffaloes.

Keywords: calving rate; embryo transfer; IVEP; oocytes; OPU; pregnancy rate (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlvet:v:68:y:2023:i:2:id:48-2022-vetmed

DOI: 10.17221/48/2022-VETMED

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