dor_id: 4133757

506.#.#.a: Público

590.#.#.d: Los artículos enviados a la revista "Veterinaria México OA", se juzgan por medio de un proceso de revisión por pares

510.0.#.a: Consejo Nacional de Ciencia y Tecnología (CONACyT); Sistema Regional de Información en Línea para Revistas Científicas de América Latina, el Caribe, España y Portugal (Latindex); Scientific Electronic Library Online (SciELO); Bibliografía Latinoamericana (Biblat); La Red de Revistas Científicas de América Latina y el Caribe, España y Portugal (Redalyc); Connecting research and researchers (ORCiD)

561.#.#.u: https://www.fmvz.unam.mx/

650.#.4.x: Biotecnología y Ciencias Agropecuarias

336.#.#.b: article

336.#.#.3: Artículo de Investigación

336.#.#.a: Artículo

351.#.#.6: https://veterinariamexico.fmvz.unam.mx/index.php/vet/index

351.#.#.b: Veterinaria México OA

351.#.#.a: Artículos

harvesting_group: RevistasUNAM

270.1.#.p: Revistas UNAM. Dirección General de Publicaciones y Fomento Editorial, UNAM en revistas@unam.mx

590.#.#.c: Open Journal Systems (OJS)

270.#.#.d: MX

270.1.#.d: México

590.#.#.b: Concentrador

883.#.#.u: https://revistas.unam.mx/catalogo/

883.#.#.a: Revistas UNAM

590.#.#.a: Coordinación de Difusión Cultural

883.#.#.1: https://www.publicaciones.unam.mx/

883.#.#.q: Dirección General de Publicaciones y Fomento Editorial

850.#.#.a: Universidad Nacional Autónoma de México

856.4.0.u: https://veterinariamexico.fmvz.unam.mx/index.php/vet/article/view/988/848

100.1.#.a: Kohsari, Hesam; Berenjian, Khatereh; Mohammadi, Forogh

524.#.#.a: Kohsari, Hesam, et al. (2022). Adding equine chorionic gonadotropin to the G6G protocol improves pregnancy rate of dairy cows under heat stress conditions. Veterinaria México OA; Vol. 9, 2022. Recuperado de https://repositorio.unam.mx/contenidos/4133757

245.1.0.a: Adding equine chorionic gonadotropin to the G6G protocol improves pregnancy rate of dairy cows under heat stress conditions

502.#.#.c: Universidad Nacional Autónoma de México

561.1.#.a: Facultad de Medicina Veterinaria y Zootecnia, UNAM

264.#.0.c: 2022

264.#.1.c: 2022-09-13

653.#.#.a: G6G; eCG; pregnancy rate; Holstein cows; heat stress

506.1.#.a: La titularidad de los derechos patrimoniales de esta obra pertenece a las instituciones editoras. Su uso se rige por una licencia Creative Commons BY 4.0 Internacional, https://creativecommons.org/licenses/by/4.0/legalcode.es, para un uso diferente consultar al responsable jurídico del repositorio por medio del correo electrónico vetmexicooa@gmail.com

884.#.#.k: https://veterinariamexico.fmvz.unam.mx/index.php/vet/article/view/988

001.#.#.#: 131.oai:ojs.pkp.sfu.ca:article/988

041.#.7.h: eng

520.3.#.a: We studied 663 cyclic lactating holstein cows in an industrial farm near qazvin, iran, from june 2119 to september 2020. we investigated the effects of equine chorionic gonadotropin (ecg) hormone administration 80 h before the implementation of the ovsynch and fixed-time artificial insemination (ovs + ftai) program in the form of the g6g protocol on pregnancy rate and reproductive parameters of dairy cows in the first postpartum insemination under heat stress conditions. The cows were randomly assigned to one of the following protocols and received the following treatments g6g (prostaglandin f2 alpha (pgf2α)-2d-gonadotropin releasing hormone (gnrh)-6d-ovs+ftai(gnrh(gnrh1)-7d-pgf2α(pg)-56h-gnrh-18h-ftai, n = 213), 300 international unit (iu) ecg+g6g (300e+g6g) (pgf2α-2d- gnrh-64h-300 iu,ecg-80h-ovs+ftai, n = 231), and 500 iu ecg+g6g (500e+g6g) (pgf2α-2d-gnrh-64h-500iu,ecg-80h-ovs+ftai, n = 219). The overall pregnancy rates of cows in the g6g, 300e+g6g, and 500e+g6g protocols were 29.5 ± 0.03%, 33.7 ± 0.03%, and 35.6 ± 0.03%, respectively. The 500e+g6g protocol increased the pregnancy rate of cows with a body condition score (bcs) ≤ 2.5 compared to the g6g protocol (p = 0.04). The 500e+g6g protocol significantly increased the pregnancy rate of cows that produced > 34 kg milk per day compared to the g6g protocol (p = 0.03). in conclusion, using 500 iu, ecg 80 h before the implementation of the ovs+ftai program in the form of g6g protocol had beneficial effects on increasing the pregnancy rate of cows that had a bcs ≤ 2.5 or produced > 34 kg milk per day compared to the g6g protocol under heat stress conditions.

773.1.#.t: Veterinaria México OA; Vol. 9 (2022)

773.1.#.o: https://veterinariamexico.fmvz.unam.mx/index.php/vet/index

022.#.#.a: ISSN electrónico: 2448-6760

310.#.#.a: Trimestral

264.#.1.b: Facultad de Medicina Veterinaria y Zootecnia, UNAM

doi: https://doi.org/10.22201/fmvz.24486760e.2022.988

harvesting_date: 2023-11-08 13:10:00.0

856.#.0.q: application/pdf

file_creation_date: 2023-02-07 11:28:10.0

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last_modified: 2024-03-19 14:00:00

license_url: https://creativecommons.org/licenses/by/4.0/legalcode.es

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