ArticleFrontiers in veterinary science2025
Reproductive performance, inbreeding evolution, and genetic diversity of the Venezuelan Carora cattle evaluated through pedigree analysis.
Article in Frontiers in veterinary science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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6 authors.
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Abstract
The native Carora dairy breed was created in Venezuela with the objective of improving cattle adaptation to tropical conditions and increasing the production performance. The aim of this research was to study the reproductive performance, inbreeding evolution, and genetic diversity of the indigenous Carora breed using official pedigree information from the Carora Cattle Association of Venezuela. The total population included 72,411 females and 8,067 males. Six databases were considered: historical (all individuals born between 1985 and 2024 = 80,473), four populations born from 1985 to 2024 taken at 10-year intervals (1985-1994; 1995-2004; 2005-2014; 2015-2024) that included 8,442, 15,694, 34,987, and 21,350 individuals, and reference population (individuals with known sire and dam within of the population in the last period). Population structure variables were pedigree completeness index (PCI); number of equivalent (GEq), complete (GCom); and maximum (GMax) generations; and generation interval (GI). GD variables were inbreeding (F), inbreeding increment (ΔF), average relatedness (AR), co-ancestry (C), non-random mating (
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