Publication: Year-Long Phenotypical Study of Calves Derived From Different Assisted-Reproduction Technologies
Authors
Lopes, Jordana S. ; Soriano-Úbeda, Cristina ; Navarro-Serna, Sergio ; París-Oller, Evelyne ; Canha-Gouveia, Analuce ; Sarrias-Gil, Lucía ; Cerón, José Joaquin ; CoY, Pilar
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Frontiers Media
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Description
© 2022 The Author(s)____ This document is the published version of a published work that appeared in final form in Frontiers in Veterinary Science____
This document is made available under the CC-BY 4.0 license http://creativecommons.org/licenses/by/4.0 ____
To access the final edited and published work see:
https://doi.org/10.3389/fvets.2021.739041
Abstract
Assisted reproductive technologies play a major role in thecattle industry. An increasein the use ofin vitro-derived embryos is currently being seen around the globe. But theefficiency and quality of thein vitro-derived embryos are substandard when comparedto thein vivoproduction. Different protocols have been designed to overcome this issue,one of those being the use of reproductive fluids as supplementation to embryo culturemedia. In this study,in vitro-derived calves produced with reproductive fluids added totheir embryo production protocol were followed for the firstyear of life pairwise withtheirin vivocontrol, produced by artificial insemination (AI), and theirin vitrocontrol,produced with standard supplementation in embryo production. The objective was toassess if any differences could be found in terms of growth and development as well ashematological and biochemical analytes between the different systems. All the analysedvariables (physical, hematological, and biochemical) were within physiological range andvery similar between calves throughout the entire experiment. However, differences weremore evident between calves derived from standardin vitroproduction and AI. Weconcluded that the use of reproductive fluids as a supplementation to the embryo culturemedia results in calves with closer growth and development patterns to those born byAI than the use of bovine serum albumin as supplementation.
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