Suboptimal responses to E2/P4-based timed AI protocols compromise pregnancy outcomes in fertile beef cattle: Roles of ovulation timing and semen viability.

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Title: Suboptimal responses to E2/P4-based timed AI protocols compromise pregnancy outcomes in fertile beef cattle: Roles of ovulation timing and semen viability.
Authors: Pinzón-Osorio CA; School of Veterinary Medicine, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil., Cunha TK; School of Veterinary Medicine, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil., Holguin-Sanabria G; School of Veterinary Medicine, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil., Machado MA; Food animal veterinary practitioner, Santana do Livramento, RS, Brazil., Collares FJF; School of Veterinary Medicine, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil., de Aguiar LH; Department of Large Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, FL 32610, United States., Rodriguez-Villamil P; School of Veterinary Medicine, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil., Ongaratto FL; School of Veterinary Medicine, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil., da Silva EP; School of Veterinary Medicine, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil., de Oliveira Sanguinet E; School of Veterinary Medicine, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil., da Silva CS; Agronomic Experimental Station, Federal University of Rio Grande do Sul (EEA/UFRGS), Eldorado do Sul, RS, Brazil., Mentz D; School of Veterinary Medicine, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil., Campagnolo K; School of Veterinary Medicine, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil., Marchioretto PV; School of Veterinary Medicine, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil., Klafke JM; School of Veterinary Medicine, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil., Schutz LF; Department of Agriculture, Veterinary and Rangeland Sciences, University of Nevada, Reno, NV 89557, United States., de Oliveira FC; School of Veterinary Medicine, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil., Rodrigues JL; School of Veterinary Medicine, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil., Bertolini M; School of Veterinary Medicine, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil. Electronic address: mbertolini@ymail.com.
Source: Animal reproduction science [Anim Reprod Sci] 2026 Feb; Vol. 285, pp. 108077. Date of Electronic Publication: 2025 Dec 13.
Publication Type: Journal Article
Journal Info: Publisher: Elsevier Scientific Pub. Co Country of Publication: Netherlands NLM ID: 7807205 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1873-2232 (Electronic) Linking ISSN: 03784320 NLM ISO Abbreviation: Anim Reprod Sci Subsets: MEDLINE
Database: MEDLINE Ultimate
Description
ISSN:1873-2232
DOI:10.1016/j.anireprosci.2025.108077