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Article
Investigating the Performance of Frequentist and Bayesian Techniques in Genomic Evaluation
The genomic evaluation process relies on the assumption of linkage disequilibrium between dense single-nucleotide polymorphism (SNP) markers at the genome level and quantitative trait loci (QTL). The present s...
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Article
Open AccessWeighted single-step genome-wide association study for direct and maternal genetic effects associated with birth and weaning weights in sheep
Body weight is an important economic trait for sheep meat production, and its genetic improvement is considered one of the main goals in the sheep breeding program. Identifying genomic regions that are associa...
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Article
Age Optimization of First Calving to Achieve the Best Reproductive Performance in Holstein Dairy Cattle
The objective of the present study was to investigate the associations between age at first calving and reproductive performance in Holstein dairy cattle. A total of 4655 reproductive records of Holstein dairy...
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Article
Open AccessGenome-wide identification of copy number variation and association with fat deposition in thin and fat-tailed sheep breeds
Copy number variants (CNVs) are a type of genetic polymorphism which contribute to phenotypic variation in several species, including livestock. In this study, we used genomic data of 192 animals from 3 Irania...
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Article
Evaluation of Bagging approach versus GBLUP and Bayesian LASSO in genomic prediction
The present study aimed to evaluate the predictive performance of bootstrap aggregating sampling technique (Bagging) in the context of genomic best linear unbiased prediction (GBLUP) method versus GBLUP and Ba...
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Article
Performance evaluation of various evapotranspiration modeling scenarios based on METRIC method and climatic indexes
Evapotranspiration (ET) is one of the most important factors controlling hydrologic, agricultural, and weather cycles. It also converts a large portion of rainfall into vapor, being known as the largest water ...
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Article
Quantifying the effect of inbreeding on average daily gain and Kleiber ratio in Mazandaran native chickens
The aims of this study was to evaluate inbreeding effects for growth rate (average daily gain from hatch to 8 weeks of age (ADG1–8), average daily gain from hatch to 12 weeks of age (ADG1–12), average daily ga...
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Article
Comparison of parametric, semiparametric and nonparametric methods in genomic evaluation
Access to dense panels of molecular markers has facilitated genomic selection in animal breeding. The purpose of this study was to compare the nonparametric (random forest and support vector machine), semipara...
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Article
A genome scan for quantitative trait loci affecting average daily gain and Kleiber ratio in Baluchi Sheep
Genomewide association study (GWAS) is an efficient tool for the detection of SNPs and candidate genes in quantitative traits. Growth rate is an important trait for increasing the meat production in sheep. A t...
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Article
Detection of QTL for greasy fleece weight in sheep using a 50 K single nucleotide polymorphism chip
Genome-wide association studies (GWAS) have introduced an influential tool in the search for quantitative trait loci (QTL) influencing economically important traits in sheep. To identify QTL associated with gr...
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Article
Population structure of Mazandaran native fowls using pedigree analysis
The objective of this study was to use pedigree analysis to evaluate the population structure and genetic variability of the Mazandaran native fowls in Iran by quantifying the pedigree completeness index, effe...
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Article
Genomewide association study of body weight traits in Baluchi sheep
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Article
Genomewide association study to detect QTL for twinning rate in Baluchi sheep