The page collects the presentations of the ICAR-WCGALP joint sessions held in Auckland, NZ, on 11-16February 2018
Plenaray Session
- The Sailing Larder: Using ancient DNA from commensal animals to reconstruct Pacific prehistory and migration pathways
Lisa Matisoo-Smith
Challenges – Environmental ASB – Joint with ICAR
- Where have we come with breeding for methane emissions – update from international collaborations
Yvette de Haas - Microbiability– new insights into (genetic) modelling methane emissions of cattle
Gareth Difford - Heat stress tolerance indicators to be used as phenotypes in GWAS analyses: a comparison study in dairy cattle.
María J. Carabaño - Meta-analysis of heritability estimates for methane emission indicator traits in cattle and sheep
Luiz Brito - Genetic architecture of methane emissions from dairy cows
Marcin Pszczola - Genetic relationships between methane emission and milk yield, live weight and dry matter intake
Irene Breider - Herds of high genetic merit for maternal beef traits are more carbon efficient than herds of lower genetic merit.
Andrew Cromie - Predicted economic and greenhouse gas benefits from using improved maternal genetics in UK beef cattle
Cheryl Quinton
Species – Bovine (Beef) – Joint with ICAR
- Accuracy of genomic predictions for carcass and meat quality traits in the Uruguayan Hereford breed
Elly Navajas - Runs of homozygosity and evidence of adaptation in Nellore cattle
Elisa Peripolli - The potential of genotyping pooled DNA to leverage commercial phenotypes for genetic improvement of beef cattle
Ricardo Ventura - Using Commercial Data and Genomics to Improve Female Fertility and Calf Survival of Limousin beef cattle in the UK
Kirsty Moore - Copy number variations and quantitative trait loci in South African Brahman cattle.
Magretha Wang - Use of genetic variance to determine weighting factors for genomic information used in single step genomic evaluation
Yuandan Zhang - Single-step genomic BLUP for national beef cattle evaluation in US: from initial developments to final implementation
Daniela Lourenco
Methods and Tools – GWAS – Joint with Interbull NZI
- Linkage disequilibrium pattern and genome-wide association mapping for meat traits in multiple porcine F2-crosses
Patrick Stratz - Genome-wide association study of meat quality traits using whole-genome sequence data in a multi-breed sheep population
Gerson Oliveira Junior - A rapid method for the identification of epistatic ‘dormant’ SNPs
Toni Reverter - Exploiting the network-based association weight matrix approach for the genetic dissection of milk nitrogen fractions in dairy cattle
Enrico Santus - Genome-wide association study for male and female reproductive performance indicator traits in Nellore cattle
Gerson Oliveira Junior - Identification of causal variants using one million individuals with whole–genome sequence information
Janez Jenko - Selecting sequence-derived variants for prediction of genomic merit
Ric Sherlock - A genomic region on chromosome 17 has a major impact on litter size traits in rabbits
Samuel Sosa Madrid
Biology – Disease Resistance – Joint with ICAR
- Genetic architecture of resistance to virulent ovine-footrot in a case-control study of New Zealand Merino sheep
Herman Raadsma - Somatic cell count-based selection reduces susceptibility to negative energy balance during early lactation
Rachel Rupp - Genome-wide association for facial eczema tolerance in New Zealand sheep
Suzanne Rowe - Variation in ovine RAS Guanyl Releasing Protein 1 (RASGRP1) gene and its association with flystrike in New Zealand sheep
Lucy Burrows - Improving dairy ewes resistance to gastro-intestinal parasites in natural conditions by selecting rams in artificial infections.
Sophie Aguerre - The Effects of Vaccination and WUR Genotype on Blood Gene Expression Response to Co-infection with PRRSV and PCV2 in Pigs
Jessie Dong - Mortality Rate and Survival of Pigs Classified by Immune Response Phenotype Using the High Immune Response Technology™
Julie Schmied - Comparison of the transcriptome response within the porcine tracheobronchial lymphnode following viral infection
Damarius Fleming
Biology – Feed Intake and Efficiency – Joint with ICAR
- Including feed intake data from U.S. Holsteins in genomic prediction
Paul VanRaden - Genomic prediction for feed efficiency: a validation of accuracy and its impact on methane emissions of dairy cows
Phuong Ho - Improving feed efficiency and net merit by including maintenance requirement in selection of dairy cattle
Martin Lidauer - Selection for low or high feed intake cows: genotype by environment interaction for milk yield, live weight and dry matter intake in dairy cows
Roel Veerkamp - Challenges and limitations for improving feed efficiency from metagenomics data
Oscar Gonzalez-Recio - The potential of using rumen microbial gene abundances to improve feed efficiency in beef cattle
Rainer Roehe - Genomic insights for feeding behavior traits in beef cattle
Tiago Valente
Theory to Application – -Joint with ICAR
- Genomic management of inbreeding in breeding schemes
Theo Meuwissen - Genomic selection and inbreeding and kinship in Dutch-Flemish Holstein Friesian cattle
Harmen Doekes - Limited dimensionality of genomic information and effective population size
Ivan Pocrnic - Bayesian inference of genomic similarity among individuals from mark- ers and phenotypes
Rohan Fernando - A general quadratic programming method for the optimisation of genetic contributions using interior point algorithm
Ricardo Pong-Wong - The concept of effective population size loses its meaning in the context of optimal management of diversity using molecular markers
Miguel Angel Toro - A “genetics first” approach to selection
Gary Bennett
Biology & Species – Bovine (Dairy) – Joint with ICAR
- Genetic analysis of Fourier transform infrared milk spectra for Danish Holstein and Danish Jersey
Roos Zaalberg - Lactation stage dependent genome-wide association mapping for longitudinal data of milk fatty acids in dairy cattle using Bayesian mixture models
Bart Buitenhuis - Genome-wide association study of the de novo synthesized milk fatty acids based on Dutch, Danish and Chinese Holstein Friesians
Grum Gebreyesus - Genetic aspects of milk β-hydroxybutyrate in Italian Holstein cows
Anna Benedet - Genome-wide Association Analysis for β-hydroxybutyrate Concentration in Milk Using Mid-Infrared Spectroscopy in North American Holstein Cattle
Shadi Nayeri - Analysis of milk microbial profiles using 16s rRNA gene sequencing in milk somatic cells and fat
Juan Medrano - 16S rRNA milk microbiota profiles on Holstein cows highlight QTL and provide a novel trait to assess the genetic regulation of mastitis
Heather Huson - Validation of candidate causative variants on milk composition and cheese-making properties in Montbéliarde cows
Marie-Pierre Sanchez
Methods and Tools – Prediction – Joint with Interbull
- The Four Horsemen Of Genomicalypse: Fuzzy notions in genomic selection
Andres Legarra - On the added value of genomics for accurate prediction in pig breeding: learning from historical data
Marcos Lopes - On detection of population stratification in genotype samples using spacial clustering and non-linear optimization
Vinzent Boerner - Using Genomic Relationship Likelihoods to perform trio parentage assignment
Kim Erik Grashei - Obtaining variance of gametic diversity with genomic models
Daniel Jordan De Abreu Santos - Using Random Forests as a prescreening tool for genomic prediction: impact of subsets of SNPs on prediction accuracy of total genetic values
Yutao Li - Genomic selection in mink yield higher accuracies with a Bayesian approach allowing for heterogeneous variance than a GBLUP model.
Trine Villumsen - Combining heterogeneous across-country data for prediction of enteric methane from proxies in dairy cattle
Enyew Negussie