ArticleFrontiers in veterinary science2025
Genetic strategies for enhancing litter size and birth weight uniformity in piglets.
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 7 papers.
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Who cites it
7 citing papers in PubMed.
- Pig productive performance parameters and costs in Spain: evolution from 2015 to 2024.Porcine health management · 2026Article
- Genes and Gene Functions Associated with Morphological, Productive, Reproductive, and Carcass Quality Traits in Pigs: A Functional Bioinformatics Approach.Current issues in molecular biology · 2026Article
- Assessment of the relationship between lactation feeding patterns, litter performance, and sow characteristics on sow efficiency metrics.Translational animal science · 2026Article
- Multi-omics analysis reveals maternal gut microbiota-derived short-chain fatty acids and progesterone are associated with offspring birth weight in sows.Frontiers in microbiology · 2026Article
- Genetic and non-genetic determinants of farrowing and lactation traits in multiparous sows under intensive management.Archives animal breeding · 2026Article
- Functional and Genetic Insights into the Role of theAnimals : an open access journal from MDPI · 2025Article
- Reduction in within-litter variation of piglet birth weight through dietary supplementation of 3-hydroxyisobutyric acid in sows.Frontiers in veterinary science · 2025Article
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Authors and funding
4 authors.
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Abstract
This study aimed to estimate the genetic parameters and develop selection indices for litter size and birth weight uniformity in piglets. These traits are crucial for improving productivity and profitability of swine production. Data were collected from 9,969 litters of 4,465 sows and 106,463 piglets of various breeds from a farm in Thailand. The analyzed traits included the total number born (TNB), number born alive (NBA), litter birth weight (LBW), mean birth weight, and individual birth weight. The assessed piglet uniformity traits included the difference between the maximum and minimum values (range), interquartile range of birth weight (IQRBW), variance in birth weight (VBW), standard deviation of birth weight (SDBW), and coefficient of variation of birth weight (CVBW). Variance components and genetic parameters were estimated using a multiple-trait animal model and the average information-restricted maximum likelihood method. The appropriate selection index (I) was determined based on heritability, genetic correlations between traits, and the economic significance of the traits. The results revealed that litter size traits (TNB and NBA) and piglet birth weight uniformity traits (Range, IQRBW, VBW, SDBW, and CVBW) exhibited low heritability (
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