Výsledky vyhledávání - "J.D. Andrade Esparza"

Akademický článek

TWO SEXUALLY ACTIVE BUCKS HOUSED WITH FOUR SUCCESSIVE GROUPS OF ANOVULATORY DOES INDUCED HIGH PREGNANCY RATES DURING SEVEN-DAY MATING PERIODS

Autor: L.A. Espinoza Flores, J.D. Andrade Esparza, J. Vielma, D. Lopez Magaña, L.A. Zarazaga, H. Hernandez, M. Keller, P. Chemineau, Jose Alberto Delgadillo

Publikováno v: Tropical and Subtropical Agroecosystems, Vol 27, Iss 1 (2024)

Background. In seasonally anovulatory goats, sexually active bucks led a high pregnancy rate during a mating period of 36 days. Progesterone priming of does can reduce the length of the mating period while maintaining high fertility by allowing oestr

Externí odkaz: https://doaj.org/article/bfc2c5099013462e93bbebf54fd2b3b7

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Akademický článek

Nutritional supplementation improves the sexual response of bucks exposed to long days in semi-extensive management and their ability to stimulate reproduction in goats

Autor: J.A. Delgadillo, P.I. Sifuentes, M.J. Flores, L.A. Espinoza-Flores, J.D. Andrade-Esparza, H. Hernández, M. Keller, P. Chemineau

Publikováno v: Animal, Vol 15, Iss 2, Pp 100114- (2021)

In confined management systems, well-nourished bucks rendered sexually active by exposure to long days are efficient in fertilizing out-of-season goats. However, underfeeding is common in semi-extensive management systems and may reduce the reproduct

Externí odkaz: https://doaj.org/article/e231c1d700a84aa3ab7706d98560e332

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Extensive management conditions do not modify the frequency of short ovulatory cycles in progesterone-treated does exposed to sexually active males

Autor: L.A. Espinoza-Flores, J.D. Andrade-Esparza, Horacio Hernández, Matthieu Keller, J.A. Delgadillo, Philippe Chemineau

Publikováno v: Animal Reproduction Science
Animal Reproduction Science, Elsevier Masson, 2018, 199, pp.40-44. ⟨10.1016/j.anireprosci.2018.10.004⟩

International audience; Most goats exposed to males in confined conditions have short ovulatory cycles. The frequency of these cycles can be reduced with a progesterone treatment prior to the introduction of males. The objective of this study was to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e3436f8ab1bfa75cfa7d442bfa1812cc
https://doi.org/10.1016/j.anireprosci.2018.10.004

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Nutritional supplementation improves the sexual response of bucks exposed to long days in semi-extensive management and their ability to stimulate reproduction in goats

Autor: Horacio Hernández, L.A. Espinoza-Flores, J.D. Andrade-Esparza, Philippe Chemineau, M.J. Flores, P.I. Sifuentes, J.A. Delgadillo, Matthieu Keller

Publikováno v: Animal
Animal, Published by Elsevier (since 2021) / Cambridge University Press (until 2020), 2021, 15 (2), pp.1-9. ⟨10.1016/j.animal.2020.100114⟩
animal
animal, Published by Elsevier (since 2021) / Cambridge University Press (until 2020), 2021, 15 (2), pp.1-9. ⟨10.1016/j.animal.2020.100114⟩
Animal, Vol 15, Iss 2, Pp 100114-(2021)

International audience; In confined management systems, well-nourished bucks rendered sexually active by exposure to long days are efficient in fertilizing out-of-season goats. However, underfeeding is common in semi-extensive management systems and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3d56dee4008f932f409ad84540bc4c85
https://hal.archives-ouvertes.fr/hal-03423548/document

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Male effect using photostimulated bucks and nutritional supplementation advance puberty in goats under semi-extensive management

Autor: L.A. Espinoza-Flores, J.D. Andrade-Esparza, Philippe Chemineau, J.A. Delgadillo, J.A. Abecia, Horacio Hernández, Matthieu Keller, Luis A. Zarazaga

Publikováno v: Theriogenology
Theriogenology, 2020, 143, pp.82-87. ⟨10.1016/j.theriogenology.2019.12.005⟩

International audience; Well-nourished spring-born female goats reach puberty in the autumn of the same year. Contrastingly, undernourished spring-born females reach puberty in the autumn of the following year. Therefore, in this study, we reared fem

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4e72a5bdbf88d257bffe364d66af3147
https://pubmed.ncbi.nlm.nih.gov/31862671

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