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. 1991 Mar 1;32(1):115–122. doi: 10.1186/BF03547003

Epidemiological and Genetical Studies in Norwegian Pig Herds

V. Estimates of Heritability and Phenotypic Correlations of the most Common Diseases in Norwegian Pigs

Epidemiologiske og genetiske studier av sjukdommer i norske svinebesetninger. V. Arvbarheter og korrelasjoner for noen viktige sjukdommer hos svin

Frode Lingaas 1,✉, Knut Rønningen 1
PMCID: PMC8127939  PMID: 1950844

Abstract

A genetic analysis was performed on disease registrations from 70 Norwegian pig herds. This analysis was complicated by the small degree of cross classification of dams and sires across herds, and the relatively sparse use of artificial insemination. Herd effects seemed to be responsible for much of the variation in disease frequencies. The estimated heritabilities were relatively low. The results of this investigation also revealed positive phenotypic correlations between the investigated diseases.

Keywords: swine, MMA-syndrome, mastitis, metritis, neonatal diarrhoea, arthritis, scrotal hernia, disease recording, health cards

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