AAABG 2023 Animal Breeding at the Crossroads

Proceedings of the AAABG 18th Conference

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Ancillary pages
AAABG and President's Message i-vii
AAABG Fellows viii
AAABG Honorary Members xiv
Helen Newton Turner Medal xvi
Helen Newton Turner Medal Oration 2007 xvii
Citations of Papers and List of Reviewers xxii
Table of Contents xxiii
Author Index 672
Imprinted genes in man and mouse are model systems in comparative epigenomics 1
Martina Paulsen
Animal Genetics
The influence of animal breeding on The Origin of Species by Charles Darwin 7
O. Mayo
Charles Darwin in Australia: his zoological observations 11
F.W. Nicholas
The genetics of sexual dimorphism in sheep 14
B.W. Gudex, C. Gondro, K. Marshall and J.H.J. van der Werf
Sexual dimorphism of genes regulating skeletal muscle growth in Bali cattle 18
G.S. Nattrass, Dahlanuddin, D.P. Poppi and S.P. Quigley
Delivery of genomics to industry
Progress in development and implementation of a strategy for commercialisation of DNA marker technology for the Australian beef industry 22
R.G. Banks, H. Burrow and H.-U. Graser
Genomic selection based on dense genotypes inferred from sparse genotypes 26
M.E. Goddard and B.J. Hayes
Integration of DNA markers into BREEDPLAN EBVS 30
D.J. Johnston, B. Tier and H.-U. Graser
Accuracy of genomic selection: comparing theory and results 34
B.J. Hayes, H.D. Daetwyler, P. Bowman, G. Moser, B. Tier, R. Crump, M. Khatkar, H.W. Raadsma and M.E. Goddard
Potential benefit of genomic selection in sheep 38
J.H.J. van der Werf
Genotype by environment interactions
Genotype x Environment interactions and Merino breeding programmes for wool production 42
B.J. McGuirk
Sire by flock-year interactions for body weight in Poll Dorset sheep 48
D.J. Brown, A.A. Swan, D.J. Johnston and H.-U. Graser
Classifying sheep grazing environments using satellite data to quantify genotype by environment interactions 52
M.B. Whelan, D.J. Cottle, K.G. Geenty and D.J. Brown
Genotype by environment interaction between registered and commercial herds for dairy traits in Australia 56
M. Haile-Mariam and M.E. Goddard
Genotype by environmental interaction for live weight between two production environments in the GIFT strain (Oreochromis niloticus) 60
H.L. Khaw, R.W. Ponzoni, A. Hamzah and N. Kamaruzzaman
Genomic selection
Variability in the distributions of single nucleotide polymorphism effects in livestock populations 64
E.J. Smith and J.M. Henshall
Use of genotype probabilities and selective genotyping for estimation of marker effects 68
M.L.A.N.R. Deepani and B.P. Kinghorn
Phasing of SNP data by combined recursive long range phasing and long range haplotype imputation 72
J.M. Hickey, B.P. Kinghorn, B. Tier and J.H.J. van der Werf
A recursive algorithm for long range phasing of SNP genotypes 76
B.P. Kinghorn, J.M. Hickey and J.H.J. van der Werf
Genomic selection using a fast EM algorithm 2. Analysis of simulated data 80
R.K. Shepherd and J.A. Woolliams
Genomic selection using a fast EM algorithm 1. Understanding the methodology 84
R.K. Shepherd, T.H.E. Meuwissen and J.A. Woolliams
Behaviour and welfare
Mapping the Horns Locus in Sheep 88
N. Pickering, T. Johnson, B. Auvray, K.G. Dodds and J.C. McEwan
Genetic markers for polled condition in cattle - the current status and the future plans 92
K.C. Prayaga, M. Mariasegaram, B. Harrison, B. Tier, J.M. Henshall and W. Barendse
The genetics of temperament traits in Merino sheep 96
K.L. Lennon, M.L. Hebart, F.D. Brien and P.I. Hynd
The role of cytochrome P450 17-alpha-hydroxylase/17,20-lyase (CYP17) in the stress coping ability in a divergently selected Merino sheep population 100
D. van der Walt, S.W.P. Cloete, K. Storbeck and P. Swart
The improvement of lamb survival of Merino sheep as a correlated response to direct selection for rearing ability 104
S.W.P. Cloete, I. Misztal and J.J. Olivier
Genetics of lamb survival: preliminary studies of the Information Nucleus Flock 108
F.D. Brien, M.L. Hebart, J.E. Hocking-Edwards, J.C. Greeff, K.W. Hart, G. Refshauge, G. Gaunt, R. Behrend, K. Thomson, G.N. Hinch, K.G. Geenty and J.H.J. van der Werf
Beef Cattle I
John Edward Vercoe AM FSTE FAIAST 1936 - 2005 112
H. Burrow
Interbreed evaluation of productivity under low and moderate dry matter availabilities 113
T.G. Jenkins
Maternal productivity in industry herds: Preliminary results 117
K.A. Donoghue and P.F. Parnell
Genetic variation in growth, hormonal and seminal traits of young tropically adapted bulls 121
N.J. Corbet, B.M. Burns, D.H. Corbet, D.J. Johnston, J.M. Crisp, M.R. McGowan, K.C. Prayaga, B.K. Venus and R.G. Holroyd
Genome wide association studies for net feed intake, body weight and hip height in beef cattle 125
S. Bolormaa and M.E. Goddard
Validation and estimation of additive genetic variation associated with DNA tests for quantitative beef cattle traits 129
A.L. Van Eenennaam, R.M. Thallman, R.L. Quaas, K. Hanford and E.J. Pollak
Dairy Cattle
Genotype by environment interactions in international genetic evaluations of dairy bulls 133
J.H. Jakobsen, J.W. Durr, H. Jorjani, F. Forabosco, A. Loberg and J. Philipsson
Updated index weights for the Australian Profit Ranking in dairy cattle 143
J.E. Pryce, J.H.J. van der Werf, M. Haile-Mariam, B. Malcolm and M.E. Goddard
Genetic markers for lactation persistency in Australian dairy cows 147
J.E. Pryce, M. Haile-Mariam, K. Verbyla, P.J. Bowman, M.E. Goddard and B.J. Hayes
Genome wide association studies in dairy cattle using high density SNP scans 151
H.W. Raadsma, M.S. Khatkar, G. Moser, M. Hobbs, R. Crump, J.A.L. Cavanagh, and B.Tier
Criteria for selecting and predicting herdlife in dairy cattle 155
M. Haile-Mariam and M.E. Goddard
Beef Cattle ll
The impact of genetic markers for tenderness on steer carcass and feedlot exit and heifer puberty traits in Brahman cattle 159
M.L. Wolcott and D.J. Johnston
Association between Myostatin DNA markers and muscularity in Angus cattle 163
B.A. O'Rourke, P.L. Greenwood, P.F. Arthur and M.E. Goddard
Muscle specific expression of regulatory factors in cattle selected for high and low muscling 167
G. Parnell, Y. Chen, G.S. Nattrass and P.L. Greenwood
Global gene expression profiling of angus cattle selected for low and high net feed intake 171
Y. Chen, C. Gondro, K. Quinn, B. Vanselow, P.F. Parnell and R.M. Herd
Expression of mitochondrial respiratory complex genes in liver tissue of cattle with different feed efficiency phenotypes 175
K.J. Kochan, R.N. Vaughn, T.S. Amen, C.A. Abbey, J.O. Sanders, D.K. Lunt, A.D. Herring, J.E. Sawyer, C.A. Gill and P.K. Riggs
Identification of differentially expressed transcripts in m. longissimus dorsi with divergent marbling phenotypes in Hanwoo (Korean native cattle) 179
S.H. Lee, C. Gondro, J.H.J. van der Werf, N.K. Kim, D.J. Lim, Y.H. Shin, J.P. Gibson and J. M. Thompson
QTL mapping for feed conversion efficiency on porcine chromosome 10 in an Australian commercial population 183
Y. Chen, Y. Zhang, I. MacLeod, R. Kerr, K.L. Bunter, B. Hayes, B. Tier, H.-U. Graser, B.G. Luxford, M. Goddard and C. Moran
A genome-wide association analysis identifying SNPS for PRRS tolerance on a commercial pig farm 187
C.R.G. Lewis, M. Torremorell, L. Galina-Pantoja, N. Deeb, M.A. Mellencamp, A.L. Archibald and S.C. Bishop
Effect of halothane genotype on growth parameters, carcase and meat quality traits in the Pietrain Breed of the French National Pig Breeding Program 191
I. Merour, S. Hermesch, S. Schwob and T. Tribout
Genetic correlations between carcase length, fat and muscle depths and primal cut weights in the French Large White Sire line 195
I. Merour, S. Hermesch, R.M. Jones and T. Tribout
Evaluation of pig flight time, average daily gain and backfat using random effect models including grower group 199
R.M. Jones, S. Hermesch and R.E. Crump
Associations between sow body composition, feed intake during lactation and early piglet growth 203
K.L. Bunter, B.G. Luxford, R. Smits and S. Hermesch
Breeding program design including MAS
Breeding objectives for seasonal production systems: an example from New Zealand venison systems 207
J.A. Archer and P.R. Amer
Trans-Tasman genetic evaluations of sheep 212
M.J. Young, S-A.N. Newman, R. Apps, A.J. Ball and D.J. Brown
Combining estimates of SNP effects when they are subpopulation specific 216
P.R. Amer and G.M. Payne
SNP predictors to accelerate the rate of genetic progress in sheep 220
J.A. Sise and P.R. Amer
Association of polymorphisms in candidate genes with carcass and taste panel assessed meat quality traits in a commercial population of Angus-sired beef cattle 224
J.L. Gill, S.C. Bishop, C. McCorquodale, J.L. Williams and P. Wiener
The effect of the inclusion of pedigree data on estimates of carrier status at the agouti locus in sheep 228
J.M. Henshall, J. McNally and B.J. Norris
Animal genomes
I have a draft genome for my species ... what now? 232
Claire M. Wade
SNP origin bias on population structure analysis: an Australian beef cattle case study 239
L.R. Porto Neto and W. Barendse
Population stratification, not genotype error, causes some SNPs to depart from Hardy-Weinberg Equilibrium 243
Y.D. Zhang and B. Tier
Genome structure in australian Holstein Friesian cattle revealed by combined analysis of three high density SNP panels 247
M.S. Khatkar, B. Tier, M. Hobbs, D. Khatkar, J.A.L. Cavanagh, R. Crump, G. Moser and H. W. Raadsma
A peculiarity of gene frequency estimation 251
J.W. James, V.A. Whan and B.J. Norris
Disease resistance
Interpretation and prediction in disease genetics 255
S.C. Bishop
Review of genetic parameters for disease resistance in sheep in New Zealand and Australia 263
C.A. Morris
Opportunities to breed for resistance to breech strike in Merino sheep in a Mediterranean environment 272
J.C. Greeff and L.J.E. Karlsson
Systems genetics analysis reveals gene modules and heritable biomarkers for sheep intestinal parasite resistance 279
H.N. Kadarmideen, N. Andronicos and N.S. Watson-Haigh
On the expression profile of candidate genes conferring resistance to gastro-intestinal nematodes in sheep 283
Shivashankar H Nagaraj, Antonio Reverter, Moira Menzies, Nick Andronicos, and Aaron Ingham
Biotechnology tools and challenges
Current status and future prospects for reproductive technologies in small ruminants 287
W.M.C. Maxwell and G. Evans
Quality Control For Ovine SNP50 Beadchip Genotypes 296
K.G. Dodds, B. Auvray, N. Pickering and J.C. McEwan
Building a deer SNP chip 300
M.J. Bixley, J.F. Ward, R. Brauning, J.A. Archer and P.J. Fisher
Summarization methods and quality problems in Affymetrix microarrays 304
C. Gondro
A new strategy to identify the disease causing mutation for neuronal ceroid lipofuscinosis in South Hamsphire sheep 308
I.F. Mohd Ismail, J.A.L. Cavanagh, N.L. Mitchell, P.J. Houweling, D.N. Palmer and I. Tammen
Sheep - Wool I
An integrated genomics approach to improving wool productivity and quality 312
P. I. Hynd, C.S. Bawden, N.W. Rufaut, B.J. Norris, M. McDowall, A.J. Nixon, Z. Yu, A.J. Pearson, G.S. Nattrass, C. Gordon-Thompson, G.P. Moore, S.M. Dunn, N.M. Edwards, D.H. Smith and C.J. McLaughlan
Weighted co-expression networks shed light on the molecular mechanism of action of metyrapone on wool follicle development 322
N.S. Watson-Haigh, H.N. Kadarmideen, M. McDowall, G.S. Nattrass, H.A. McGrice and P.I. Hynd
Genetic progress in the Australian Sheep Industry 326
A.A. Swan, D.J. Brown and R.G. Banks
Breeding plain-bodied fine wools - No problem! 330
S. Hatcher, K.D. Atkins and K.J. Thornberry
Heritability and phenotypic correlations for breech strike and breech strike resistance indicators in Merinos 334
J.L. Smith, H.G. Brewer and T. Dyall
The relationship between crutch cover score and production and easy care traits in Merino sheep 338
D.H. Smith, E. Safari, F.D. Brien, K.S. Jaensch and R.J. Grimson
Genetic improvement programs for Aquaculture species in developing countries: Prospects and challenges 342
R.W. Ponzoni, N.H. Nguyen and H.L. Khaw
Development of a breeding strategy for hybrid abalone 350
M. G. Hamilton, P. D. Kube, N. G. Elliott, L. J. McPherson and A. Krsinich
Assessment of the level of heterozyogosity in the Tasmanian Atlantic salmon (Salmon salar) population using single nucleotide polymorphim markers 354
S. Dominik, J.M. Henshall, P.D. Kube, H. King, S. Lien, M. Kent and N.G. Elliott
Heterosis, direct and maternal genetic effects on body traits in a complete diallel cross involving four strains of red Tilapia Oreochromis spp 358
N.H. Nguyen, N. Pongthana and R.W. Ponzoni
Development and early results of the Tasmanian Atlantic salmon breeding program 362
N.G. Elliott and P.D. Kube
Sheep - Wool II
Fibre production and sheep breeding in South America 366
R.C. Cardellino and J.P. Mueller
Effects on lifetime reproductive performance of phenoytpic selection for fleece weight, fibre diameter, body weight and related selection indexes 374
L.R. Piper, A.A. Swan, and H.G. Brewer
Variation in the lifetime reproductive performance of Merino ewes 378
G.J. Lee, K.D. Atkins and M.A. Sladek
Genetic parameters for lifetime reproductive performance of Merino ewes 382
G.J. Lee, K.D. Atkins and M.A. Sladek
Levels of post-weaning loss in the Trangie D-flock (1975-83) 386
C.E. Pope and K.D. Atkins
Genetic variation in clean wool colour in fine wool Merinos 390
J.L. Smith and I.W. Purvis
Statistical methods I
Mixed models in animal breeding: where to now 394
A.R. Gilmour
Latent mixed models 398
Robin Thompson
Statistical genetics to improve robustness of dairy cows 406
R.F. Veerkamp, H.A. Mulder, M.P.L. Calus, J.J. Windig, and J. ten Napel
Sheep - Meat
Meat sheep breeding - where we are at and future challenges 414
N.M. Fogarty
Rates of Genetic Gain in New Zealand Sheep 422
M.J. Young and P.R. Amer
The Information Nucleus - Genetically Improving Australian Lamb Production 426
S.I. Mortimer, K.L. Pearce, R.H. Jacobs, D.L. Hopkins, R.D. Warner, G.H. Geesink, J.E. Hocking Edwards, D.W. Pethick, L.H.J. van der Werf and A.J. Ball
Economic evaluation of whole genome selection using meat sheep as a case study 430
R.G. Banks and J.H.J. van der Werf
Progress in the development of breeding schemes for the Irish sheep industry: the maternal lamb producer groups 434
T.J. Byrne, P.R. Amer, P.F. Fennessy, R.M. Rohloff, A. Cromie, P. Donnellan, G. Potterton, J.P. Hanrahan, and B. Wickham
Statistical Methods II
Cheverud revisited: Scope for joint modelling of genetic and environmental covariance matrices 438
Karin Meyer and Mark Kirkpatrick
Factor-analytic models to reduce computational requirements in international genetic evaluation for beef cattle 442
Karin Meyer
Application of random regression techniques to dissect age-dependent quantitative trait loci for growth in lambs 446
G. Hadjipavlou and S.C. Bishop
Comparison of genetic parameters obtained from an ordinal canine hip phenotype data set by linear and ordinal analyses 450
B.J. Wilson, F.W. Nicholas, J.W. James and P.C. Thomson
A framework to link whole genome SNP association studies to systems genetics 454
S.J. Goodswen, H.N. Kadarmideen, C. Gondro and J.H.J. van der Werf
Statistical considerations in the analysis of gene expression data from heterogeneous sources 458
P.C. Thomson, M. Singh and H.W. Raadsma
Thirty years of AAABG 462
Ian Franklin
Association of microsatellite markers and NRAMP1 gene with bovine tuberculosis traits in Zebu cattle 468
A. Ali, H.N. Kadarmideen, P. C. Thomson, C. Flury, B. Müller and J. Zinsstag
The role of animal genetic improvement in reducing greenhouse gas emissions from beef cattle 472
P.F. Arthur, K.A. Donoghue, R.M. Herd and R.S. Hegarty
Benefits of genetic superiority in residual feed intake in a large commercial feedlot 476
R.M. Herd, S. Piper, J.M. Thompson, P.F. Arthur, B. McCorkell and K.C.P. Dibley
Meta-analysis of cross-bred progeny data for Australian terminal sire sheep 480
R.G. Banks, D.J. Brown and S.R. Field
Evaluation of the Angus BREEDPLAN IMF% EBV in 100d-fed Angus x Hereford steer progeny 484
S.A. Barwick, D.J. Johnston, M.L. Wolcott, J.F. Wilkins and W.A. McKiernan
Genetic parameters for feather weights of breeding ostriches 488
Z. Brand and S.W.P. Cloete
Genetics of lamb survival: a study of Merino resource flocks in South Australia 492
F.D. Brien, M.L. Hebart, K.S. Jaensch, D.H. Smith and R.J. Grimson
Meat quality in Merino ram hoggets 496
S.F. Walkom, F.D. Brien, M.L. Hebart, J.C. Greeff, D.L. Hopkins and W.S. Pitchford
Genetics of wool colour in the South Australian selection demonstration flocks 500
M.L. Hebart and F.D. Brien
Variation in sow health affects the information provided by lactation feed intake data 504
K.L. Bunter, C.R.G. Lewis and B.G. Luxford
Complexities and strategies to identify the causative mutation responsible for single locus inherited diseases in livestock. 508
J.A.L. Cavanagh, I. Tammen and H.W. Raadsma.
IGF-1 genotypes affect growth not tenderness in cattle 512
Lei Yao Chang, W.S. Pitchford and C.D.K. Bottema
Is methane production likely to be a future Merino selection criterion? 516
D.J. Cottle, J.H.J. van der Werf and R.G. Banks
Polymorphisms detected in the tyrosinase and matp (slc45a2) genes did not explain coat colour dilution in a sample of Alpaca (Vicugna pacos) 520
R. Cransberg and K.A. Munyard
QTL analyses of beef muscle fibre type 524
N.G. Cullen, C.A. Morris, P.M. Dobbie, D.L. Hyndman and B.C. Thomson
Leptin gene polymorphisms had no effects on open days and calving interval 528
H. Yazdani, H.R. Rahmani, M.A. Edris and E. Dirandeh
Potential to double the number of cattle tested for residual feed intake 532
K.A. Donoghue, P.F. Arthur and R.M. Herd
Fat distribution in Angus steers is related to residual feed intake estimated breeding value 536
A.R. Egarr. W.S. Pitchford. M.J. Bottema. R.M. Herd. J.P. Siddell. J.M. Thompson and C.D.K. Bottema
Characterization of a human performance gene in the horse 540
N.A. Ellis, P.C. Thomson, R.R. Coomer, A.J. Forhead, M.J. Head, I. Tammen and H.W. Raadsma
Targeted mapping of QTL on chromosomes 1 and 3 for parasite resistance in sheep 544
N.A. Ellis, S.A. Keyis, K.J. Fullard, D. Townley, D. Khatkar, G. Attard, K. Beh, D. Piedrafita and H.W. Raadsma
Estimating heritability of subjectively assessed ostrich leather quality traits using threshold models 548
A. Engelbrecht, S.W.P. Cloete, K.L. Bunter and J.B. van Wyk
Identification of a potential marker for absence of dark fibre in Vicugna pacos (Alpaca) 552
Natasha L. Feeley and Kylie A. Munyard
Association of fibre diameter with wool colour in a South Australian selection flock 556
M.R. Fleet, K.R. Millington, D.H. Smith and R.J. Grimson
A new system for collecting and processing phenotypic and genetic information from sheep for improved selection tools 560
K.G. Geenty, J.H.J. van der Werf, K.P. Gore, A.J. Ball and S. Gill
Effect of the accuracy of an estimated QTL effect on response to Marker-Assisted Selection 564
N. Moghaddar and J.H.J. van der Werf
A comparison of methods for genomic selection in Austrian dual purpose Simmental cattle 568
B. Gredler, K.G. Nirea, T.R. Solberg, C. Egger-Danner, T. Meuwissen and J. Soelkner
Identification of sex specific DNA regions in the snake genome using a subtractive hybridization technique 572
R.P. Harris, D.M. Groth, J. Ledger and C.Y. Lee
Merino ewes divergently selected for calm temperament have a greater concentration of immunoglobulin G in their colostrum than nervous ewes 576
K.W. Hart, C. Contou , M. Blackberry and D. Blache
Survival of adult sheep is driven by longevity genes 580
S. Hatcher, K.D. Atkins and K.J. Thornberry
Genetic association of net feed intake measured at two stages with insulin-like Growth Factor-I, growth and ultrasound scanned traits in Angus cattle 584
M.G. Jeyaruban, D.J. Johnston and H.-U. Graser
Predicting energy balance in growing wethers and estimation of heritability for derived parameters 588
E. Jonas, P.C. Thomson, K.J. Fullard, C.A. Cavanagh and H.W. Raadsma
Predicting energy balance in lactating ewes as a basis for QTL analysis 592
E. Jonas, P.C. Thomson, K.J. Fullard, D. McGill and H.W. Raadsma
A comparison between sheep bred for worm resistance and unselected controls when exposed to low larval challenge during summer 596
K.E. Kemper, J.W.A. Larsen, S.C. Bishop, N. Anderson, M.E. Goddard, J.C. Greeff, R. Woodgate and L.J.E. Karlsson
Breeder perspectives on fat and female management 600
S.J. Lee, I.K. Nuberg and W.S. Pitchford.
Some consequences of selection for residual feed intake in beef cattle 604
D.S. Lines, M.L. Wolcott, W.S. Pitchford, C.D.K. Bottema, R.M. Herd and V.H. Oddy
Survival analyses for length of productive life of Angus cows 608
Karin Meyer
Imputation of missing genotypes in high density SNP data 612
G. Moser, M.S. Khatkar and H.W. Raadsma
Preliminary results on the comparative performance of Holstein and Fleckvieh x Holstein dairy cows 616
C.J.C. Muller, J.A. Botha, S.W.P. Cloete and J.P Potgieter
Isolation and characterisation of alpaca tetranucleotide microsatellite markers 620
K.A. Munyard, J.M. Ledger, C.Y. Lee, C. Babra and D.M. Groth
A decade of Sheep Improvement Limited (SIL) 624
S-A.N. Newman, J.C. McMcEwan and M.J. Young
Mapping of quantitative trait loci (QTL) for muscularity in beef cattle 628
I. Novianti, W.S. Pitchford and C.D.K. Bottema
Genetic relationships among lamb survival, birth coat score, birth weight and 42-day body weight in a South African fine wool Merino stud 632
W.J. Olivier, S.W.P. Cloete and A.C. Greyling
Sheep selected for resistance to facial eczema disease also show higher tolerance to acetaminophen challenge 636
S.H. Phua, P. Johnstone, H. Henry, A. Findlay and C.A. Morris
Mapping QTL for early growth and maternal performance in sheep 640
H.W. Raadsma, E. Jonas, K.R. Zenger, C.A. Cavanagh, M.K. Lam and P.C. Thomson
Improving the accuracy of selecting animals for reduced methane emissions 644
D.L. Robinson
Heritability of plasma concentrations of IGF-1 and its correlation with reproductive performance in Holstein cows in Victorian herds 648
T.E. Stirling, C.R. Stockdale and K.L. Macmillan
Bioethics and DNA diagnostics in animals - are there lessons to be learned from genetic testing in humans? 652
I. Tammen and H.W. Raadsma
QTL analysis of beef fat colour and the effect of BCDO2 656
R. Tian, W.S. Pitchford and C.D.K. Bottema
Genotype x Environment Interactions identified in Southern Australian Beef Production 660
S.L. Truran. M.P.B. Deland. M.L. Hebart. A.P. Verbyla and W.S. Pitchford.
QTL mapping in multiple families using logistic regression 664
Y.D. Zhang and B. Tier
Cattle residual feed intake candidate genes 668
N.A. Zulkifli M. Naik W.S. Pitchford C.D.K. Bottema