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Article

Factors affecting temporal relationships between estrus and ovulation in commercial sow farms.

Animal reproduction science - 1 Sept 2004

Belstra B A, Flowers W L, See M T

Abstract excerpt

The main objective was to examine effects of season, parity, genotype, lactation length, and weaning-to-estrus interval on duration of estrus (DE) and onset of estrus-to-ovulation interval (EOI) in three sow farms. Detection of estrus and ovulation by the back-pressure test and transabdominal ultrasonography, respectively, were performed every 6 h from day 2-10 postweaning in 535 sows (approximately 89 per farm...

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Identifiers

PMID: 15302380
DOI: 10.1016/j.anireprosci.2004.02.005

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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