HAL will be down for maintenance from Friday, June 10 at 4pm through Monday, June 13 at 9am. More information
Skip to Main content Skip to Navigation
Journal articles

Les techniques d'évaluation génétique des bovins laitiers

Abstract : The statistical methods used during the past 50 years for genetic evaluation of dairy bulls and cows are presented with special emphasis on the reasons which motivated their development and then their withdrawal. The selection index theory applied to data such as deviation of the cows’ records from their herdmates became obsolete because environmental effects were imperfectly corrected and the underlying genetic trend was not accounted for. The Best Linear Unbiased Prediction (BLUP) enables simultaneous estimation of genetic and environmental effects. Initially applied to simple models for sire evaluation (sire or sire-grand-sire models), BLUP is increasingly used with an « animal model» nowadays, allowing a joint evaluation of males and females. Using this method, some interesting properties are obtained. Other aspects, such as the modelling of performance records, the inclusion of several lactations and the computation difficulties involved are also tackled.
Document type :
Journal articles
Complete list of metadata

Cited literature [32 references]  Display  Hide  Download

https://hal.inrae.fr/hal-02701257
Contributor : Migration Prodinra Connect in order to contact the contributor
Submitted on : Monday, June 1, 2020 - 1:28:25 PM
Last modification on : Friday, January 14, 2022 - 3:24:04 PM
Long-term archiving on: : Wednesday, December 2, 2020 - 10:55:07 AM

File

103978_20080320091416864_1.pdf
Publisher files allowed on an open archive

Identifiers

  • HAL Id : hal-02701257, version 1
  • PRODINRA : 103978

Collections

Citation

Vincent Ducrocq. Les techniques d'évaluation génétique des bovins laitiers. Productions animales, Institut National de la Recherche Agronomique, 1990, 3 (1), pp.3-16. ⟨hal-02701257⟩

Share

Metrics

Record views

47

Files downloads

34