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Article

A comparison of normal and nonnormal mixed models for number of lambs born in Norwegian sheep.

Journal of animal science - 1 May 1994

Olesen I, Perez-Enciso M, Gianola D, Thomas D L

Abstract excerpt

A comparison of linear (LM), threshold (TM), and Poisson (PM) mixed models for genetic analysis of number of lambs born (NLB) from 1-yr-old ewes was conducted using 37,718 and 18,633 records of two Norwegian breeds, Dala and Spaelsau, respectively. Models fitted included flock-year as a fixed effect and the random effect of sire. In the Poisson model, the residual variation was assumed to be Poisson, whereas it...

Topics

Animals
Breeding
Female
Genetic Variation
Linear Models
Litter Size
Male
Models, Genetic
Norway
Poisson Distribution
Sheep

Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

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Identifiers

PMID: 8056660
DOI: 10.2527/1994.7251166x

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 29 Aug 2026. Prepared record publication-8056660-2026-08-29.1. Manifest publication-graph-cohort-2026-08-29.1.

Source receipt: PubMed via Helena Literature Corpus, retrieved 29 Aug 2026.

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