Andreas Kranis
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Genetic Variance Estimation over Time in Broiler Breeding Programmes for Growth and Reproductive Traits Open
Monitoring the genetic variance of traits is a key priority to ensure the sustainability of breeding programmes in populations under directional selection, since directional selection can decrease genetic variation over time. Studies monit…
Evolutions in Commercial Meat Poultry Breeding Open
This paper provides a comprehensive overview of the history of commercial poultry breeding, from domestication to the development of science and commercial breeding structures. The development of breeding goals over time, from mainly focus…
View article: Predictive assessment of single‐step BLUP with linear and non‐linear similarity RKHS kernels: A case study in chickens
Predictive assessment of single‐step BLUP with linear and non‐linear similarity RKHS kernels: A case study in chickens Open
Single‐step GBLUP (ssGBLUP) to obtain genomic prediction was proposed in 2009. Many studies have investigated ssGBLUP in genomic selection in animals and plants using a standard linear kernel (similarity matrix) called genomic relationship…
Additional file 1 of A genome-wide association analysis for body weight at 35 days measured on 137,343 broiler chickens Open
Additional file 1: Table S1. List of all significant SNPs sorted by significance1. SNP = name of the single nucleotide polymorphism; GGA = Gallus gallus chromosome; location (bp) = position of the SNP on the chromosome in base pairs on the…
Genetic control of<i>Campylobacter</i>colonisation in broiler chickens: genomic and transcriptomic characterisation Open
Campylobacter is the leading cause of bacterial foodborne gastroenteritis in many countries. Source attribution studies unequivocally identify the handling or consumption of contaminated poultry meat as the primary risk factor. One potenti…
Additional file 2 of Deciphering the mode of action and position of genetic variants impacting on egg number in broiler breeders Open
Additional file 2: Supplementary Table 1. Positional candidate genes for EN.
Including Phenotypic Causal Networks in Genome-Wide Association Studies Using Mixed Effects Structural Equation Models Open
Network based statistical models accounting for putative causal relationships among multiple phenotypes can be used to infer single-nucleotide polymorphism (SNP) effect which transmitting through a given causal path in genome-wide associat…
Including phenotypic causal networks in genome-wide association studies using mixed effects structural equation models Open
Background Phenotypic networks describing putative causal relationships among multiple phenotypes can be used to infer single-nucleotide polymorphism (SNP) effects in genome-wide association studies (GWAS). In GWAS with multiple phenotypes…
Investigating the functional role of 1,012 candidate genes identified by a Genome Wide Association Study for body weight in broilers Open
A genome-wide association study (GWAS) was performed using 6,598 broilers and dense genome wide SNP data to identify QTLs and positional candidate genes for body weight at 35 days of age (BW35). A multi-locus mixed model analysis identifie…
Estimation of heritability of body weight in broilers using pedigree and dense genome-wide SNP data Open
We used pedigree and dense genome-wide SNP data on 6,598 broilers to obtain heritability estimates for body weight at 35 days of age using two types of genomic relationship matrices, seven minor allele frequency classes and four proportion…
Predictive ability of genome-assistedstatistical models undervarious forms of gene action Open
Recent work has suggested that the performance of prediction models for complex traits may depend on the architecture of the target traits. Here we compared several prediction models with respect to their ability of predicting phenotypes u…
Use of high‐density <span>SNP</span> data to identify patterns of diversity and signatures of selection in broiler chickens Open
Summary The development of broiler chickens over the last 70 years has been accompanied by large phenotypic changes, so that the resulting genomic signatures of selection should be detectable by current statistical techniques with sufficie…
Implementation of genomic selection in the poultry industry Open
This paper describes and discusses implementation of genomic selection in broilers and layers, emphasizing distinctive features of the poultry industry.We discuss various practical aspects of implementation, from development of tools and c…