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Article

Twinning rate in Norwegian cattle: frequency, (co)variance components, and genetic trends.

Journal of animal science - 1 Jan 2000

Karlsen A, Ruane J, Klemetsdal G, Heringstad B

Abstract excerpt

The overall twinning rate was shown to increase from .6% in the first parity to 4.0% in the sixth parity, and a positive phenotypic trend for twinning rate was observed during the time period considered (1978 to 1995). The distribution of bulls according to the average percentage of multiple births of daughters in first and second parity showed that some bulls had an extremely low twinning frequency and others...

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Identifiers

PMID: 10682797
DOI: 10.2527/2000.78115x

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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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