Ecografía Doppler y su aplicación en programas reproductivos en ganado bovino

Fernando Javier Brito-Donoso; Jorge Ignacio Macías-Andrade

doi:10.56124/allpa.v8i16.0129

Authors

Brito-Donoso Fernando Javier Escuela Superior Politécnica Agropecuaria de Manabí Manual Félix López. Calceta, Ecuador. https://orcid.org/0000-0003-2310-8383
Macias-Andrade Jorge Ignacio Escuela Superior Politécnica Agropecuaria de Manabí Manual Félix López. Calceta, Ecuador. https://orcid.org/0009-0000-8272-7841

DOI:

https://doi.org/10.56124/allpa.v8i16.0129

Keywords:

Doppler ultrasound, corpus luteum, early pregnancy, bovine reproduction

Abstract

Reproductive efficiency in cattle is a critical factor for the sustainability of beef and dairy systems, where early pregnancy losses and prolonged calving intervals are persistent challenges. Doppler ultrasound has emerged as an innovative alternative that allows for real-time assessment of blood flow and corpus luteum function. The objective of this systematic review was to analyze the usefulness of Doppler ultrasound in bovine reproductive programs, particularly in ultra-early pregnancy diagnosis, the selection of recipients for embryo transfer, and the assessment of luteal function. Thirty-five studies published between 2014 and 2025 were reviewed in indexed databases, following PRISMA guidelines to ensure a rigorous methodological process. The results show that Doppler ultrasound can diagnose pregnancy as early as 20 days post-insemination, with a sensitivity approaching 99% and higher accuracy than B-mode ultrasound. Furthermore, luteal vascularization was positively correlated with plasma progesterone levels, thus validating its use as a functional marker. In embryo transfer protocols, females with greater luteal perfusion were up to 2.3 times more likely to have reproductive success. It is concluded that Doppler ultrasound is a valuable tool for shortening intervals between services, optimizing recipient selection, and improving the efficiency of reproductive programs.

Keywords: Doppler ultrasound, corpus luteum, early pregnancy, bovine reproduction.

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References

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