MOET Efficiency in a Spanish Herd of Japanese Black Heifers and Analysis of Environmental and Metabolic Determinants

  1. Vázquez-Mosquera, Juan M.
  2. Sebastián, Francisco
  3. Pesántez-Pacheco, Jose L.
  4. Fernández-Novo, Aitor
  5. Pérez-Solana, Maria Luz
  6. Pérez-Garnelo, Sonia Salomé
  7. Martínez, Daniel
  8. Pérez-Villalobos, Natividad
  9. Villagrá, Arantxa
  10. Astiz, Susana
  11. Bonet-Bo, Martin
  12. Gardón, Juan Carlos
  13. de Mercado, Eduardo
  1. 1 Universidad Complutense de Madrid
    info

    Universidad Complutense de Madrid

    Madrid, España

    ROR 02p0gd045

  2. 2 Universidad Europea de Madrid
    info

    Universidad Europea de Madrid

    Madrid, España

    ROR https://ror.org/04dp46240

  3. 3 Embriovet SL
  4. 4 Universidad de Cuenca
    info

    Universidad de Cuenca

    Cuenca, Ecuador

    ROR https://ror.org/04r23zn56

  5. 5 Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria
    info

    Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria

    Madrid, España

    ROR https://ror.org/011q66e29

  6. 6 Universidad Católica de Valencia San Vicente Mártir
    info

    Universidad Católica de Valencia San Vicente Mártir

    Valencia, España

    ROR https://ror.org/03d7a9c68

  7. 7 Instituto Valenciano de Investigaciones Agrarias
    info

    Instituto Valenciano de Investigaciones Agrarias

    Moncada i Reixac, España

    ROR https://ror.org/00kx3fw88

  8. 8 Cowvet SL
Mostrar afiliaciones +
Revista:
Biology

ISSN: 2079-7737

Año de publicación: 2022

Volumen: 11

Número: 2

Páginas: 225

Tipo: Artículo

DOI: 10.3390/BIOLOGY11020225 GOOGLE SCHOLAR lock_openAcceso abierto editor

Otras publicaciones en: Biology

Resumen

Embryo transfer procedures have been widely implemented in bovine all around the world. These techniques help to accelerate the increase in the genetic merit and to keep the level of inbreeding under control, which is especially important in breeds, such as Japanese Black cattle, in areas outside of Japan, where there are scarce individuals and few herds. Our study describes an adequate embryo productivity of Japanese Black heifers under Spanish management and environmental conditions, like that which has been previously reported, demonstrating the adequate adaptation capacity of these animals. No effect on embryo production or quality was found due to plasma metabolic parameters of the donors, suggesting an optimal nutritional and body conditioning of the donors’ herd. Pregnant recipients after embryo transfer showed significantly higher levels of cholesterol-related parameters, glucose, and urea, which may be related to higher availability of nutrients for the future pregnancy. Heat stress at embryo transfer negatively impacted conception rates as expected, while larger parity and ET number corresponded to numerically higher conception rates.

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