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Qualifications
Dr Sc agr (Hohenheim)
Main Research Interests
Application of genetic principles to livestock breeding programs.
Advanced methods of estimation of breeding values for livestock, in particular beef and dairy cattle, pigs and sheep.
Design of livestock breeding programs.
Research Achievements
Major contributions to the development
of BREEDPLAN (see
BREEDPLAN ABRI) and PIGBLUP,
two genetic evaluation systems for Australian livestock.
Selected Publications
Graser, H.-U. and K. Hammond (1985). Mixed Model Procedures for the Australian Beef Industry. I. A Multiple-Trait Model for the Estimation of Breeding Values
for 200-day and Final weights of Cattle. Aust. J. Agric. Res. 36:527-35.
Graser, H.-U.,
E. Niebel and D. Fewson (1985). Model calculations for the optimal planning
of bef performance tests using a German dual-purpose cattle population
as an example. Livest. Prod. Sci. 13:229-250.
Graser, H.-U.,
S.P. Smith and B. Tier (1987). A derivative free approach for estimating
variance components in animal models by restricted maximum likelihood.
J. Anim. Sci. 64:1362-70.
Tier B. and H.-U. Graser (1991). Predicting breeding values using
an implicit representation of the mixed model equations for a multiple
trait animal model. J. Anim. Breed. Genet. 108:81-88.
Nitter, G., H.-U. Graser and S.A. Barwick (1994). Evaluation of
advanced industry breeding schemes for Australian beef cattle. I. Method
of evaluation and analysis for an example population structure. Aust.
J. Agric. Res. 45:1641-56.
Graser, H.-U.,
G. Nitter and S.A. Barwick (1994). Evaluation of advanced industry breeding
schemes for Australian beef cattle. II. Selection on combinations of growth,
reproduction and carcase criteria. Aust. J. Agric. Res. 45:1657-69.
Tholen, E., K. Bunter, S. Hermesch and H.-U. Graser (1996). The
genetic foundation of fitness and reproduction traits in Australian pig
populations. I. Genetic parameters for weaning to conception interval,
farrowing interval and stayability. Aust. J. Agric. Res. 47: 1261-74.
Tholen, E., K. Bunter, S. Hermesch and H.-U. Graser (1996). The
genetic foundation of fitness and reproduction traits in Australian pig
populations. II. Relationships between weaning to conception interval,
farrowing interval, stayability and other common reproduction and production
traits. Aust. J. Agric. Res. 47: 1275-90.
Bradfield M., H.-U. Graser
and D.J. Johnston (1997). Investigation of genotype x production environment
interaction for weaning weight in the Santa Gertrudis Breed in Australia.
Aust. J. Agric. Res. 48: 1-5.
Kim J.B. and H.-U. Graser (1997). Estimation of Heritabilities
and Repeatabilities for Reproductive Traits in Korean Native Cattle. (Hanwood).
Anim. Genet. Breed. 1:59-71 (Korean).
Reverter A., D. J. Johnston, H.-U. Graser, M.L. Wolcott and W.H.
Upton (2000). Genetic Analyses of Live-Animal Ultrasound and Abattoir
Traits in Australian Angus and Hereford Cattle. J. Anim. Sci. 78:1786-1795.
Hermesch, S.; Luxford, B. G.; Graser, H.-U. (2002). Feeding level influences genetic parameters for performance traits in pigs. In Production environment
interaction for weaning weight in the Santa Gertrudis Breed in Australia.
Aust. J. Agric. Res. 48: 1-5. Proceedings Seventh World Congr. Genet.
Appl. Livest. Prod. Vol. 30. 143-146. Montpellier, France.
Intarathum, W.;
Na-Chianmai, A.; Graser, H.-U. (2002). Population structure of
Thai indigenous cattle for national breeding improvement strategy. In
FAO and Proceedings Seventh World Congr. Genet. Appl. Livest. Prod. Vol.
33. 381-384. Montpellier, France.
Johnston, D. J.; Herd, R. M.; Kadel, M. J.; Graser H.-U.; Arthur, P. F.; Archer, J. A. (2002). Evidence of IGF-I as a genetic predictor of feed efficiency
traits in beef cattle. In Proceedings Seventh World Congr. Genet. Appl.
Livest. Prod. Vol. 31. 257-260. Montpellier, France.
Kahi, A.K.; Barwick, S.A.; Graser, H.-U. (2003). Economic evaluation of Hereford cattle breeding schemes incorporating direct and indirect measures
of feed intake. Aust. J. Agric. Res. 54 (10): 1039-1055.
Archer, J. A;
Barwick, S. A. and Graser, H-U (2004). "Economic evaluation
of beef cattle breeding schemes incorporating performance testing of young
bulls for feed intake." Aust Journal of Experimental Agriculture
44(4-5):393-404.
Kahi, A. K. and Graser H.-U. (2004). "Indigenous Thai beef cattle breeding
scheme incorporating indirect measures of adaptation: sensitivity to changes
in heritabilities of and genetic correlations between adaptation traits."
Asian-Australasian Journal of Animal Science 17(8):1039-1046.
Meyer, K.; Johnston, D. J.;
Graser, H.-U.; (2004). Estimates of the complete genetic covariance
matrix for traits in multi-trait genetic evaluation of Australian Hereford
cattle. Aust. J. Agric. Res. 55, 195-210.
Bunter, K.L.; Hermesch, S.; Luxford, B.G.; Graser,
H.-U. and Crump, R.E. (2005). "Insulin-like growth factor-I (IGF-I)
measured in juvenile pigs is genetically correlated with economically
important performance traits." Aust J of Experimental Agriculture
45:783-792.
Graser, H.-U.; Tier, B.; Johnston, D.J. and Barwick,
S.A. (2005). "Genetic evaluation for the beef industry in Australia."
Aust J of Experimental Agriculture 45:913-921.
Moore, K.L.; Johnston, D.J.; Graser H.-U. and
Herd, R (2005). "Genetic and phenotypic relationships between insulin-like
growth factor-I (IGF-I) and net feed intake, fat, and growth traits in
Angus beef cattle." Aust. J Agric Research 56(3): 211-218.
Phocas, F.; Donoghue, K.; and Graser H.-U. (2005).
"Investigation of three strategies for an international genetic evaluation
of beef cattle weaning weight." Genetics Selection Evolution 37:361-380.
Kadel, M.J.; Johnston, D.J.; Burrow, H.M.; Graser,
H-U. and Ferguson, D.M. (2006). "Genetics of flight time and
other measures of temperament and their value as selection criteria for
improving meat quality traits in tropically adapted breeds of beef cattle."
Aust. J Agric Research 57(9): 1029-1035.
Brown, D.J.; Ball, A.J.; Huisman, A.E.; Swan, A.A.;
Atkins, R.D.; Graser, H.-U.; Banks, R.; Swan, P. and Woolaston,
R.R. (2006). "Sheep Genetics Australia: A national genetic evaluation
system for Australian sheep." Proceedings of the 8th World Congr.
Genet. Appl. Livest. Prod. Belo Horizonte, Brazil, 13-18 August. P. 05-03.
Hermesch, S.; Huisman, A.E.; Luxford; B.G. and Graser,
H.-U. (2006). "Analysis of genotype by feeding level interaction
in pigs applying reaction norm models." Proceedings of the 8th World
Congr. Genet. Appl. Livest. Prod. Belo Horizonte, Brazil, 13-18 August.
P. 06-03.
Nakavisut, S.; Crump, R.E. and Graser, H.-U. (2006).
"Body length and its genetic relationships with production and reproduction
traits in pigs." Proceedings of the 8th World Congr. Genet. Appl.
Livest. Prod. Belo Horizonte, Brazil, 13-18 August. P. 06-45.
Arasta, P; Chen, Y; Zhang, Y; Kerr, R; Graser, H-U; Luxford, B and Moran, C (2007). “cyp21 as a candidate gene for androstenone on boar taint.” Proceedings of the 17th Conference of the Association for the Advancement of Animal Breeding and Genetics. Armidale, Australia. September 24-26. pp.65-68.
Brown D J; Huisman, A E; Swan, A A; Graser, H-U; Woolaston, R R; Ball, A J; Atkins, K D and Banks, R G (2007). “Genetic evaluation for the Australian sheep industry.” Proceedings of the 17th Conference of the Association for the Advancement of Animal Breeding and Genetics. Armidale, Australia. September 24-26. pp.187-194.
Donoghue, K A; Johnston, D J and Graser, H-U (2007). “Impact of addition of new herds on genetic parameter estimates in the Australian Brahman population.” Proceedings of the 17th Conference of the Association for the Advancement of Animal Breeding and Genetics. Armidale, Australia. September 24-26. pp.352-355.
Jeyaruban, M G; Johnston, D J and Graser, H-U (2007). “Development of a genetic evaluation system for structural soundness traits in Angus cattle.” Proceedings of the 17th Conference of the Association for the Advancement of Animal Breeding and Genetics. Armidale, Australia. September 24-26. pp.391-394.
Johnston, D J; Brown, D J and Graser,
H-U (2007). “The effect of age slicing interval on
the variance components and data effectiveness for birth and 200day weights
in Angus cattle.” Proceedings of the 17th Conference of the
Association for the Advancement of Animal Breeding and Genetics. Armidale,
Australia. September 24-26. pp.344-347.
Khusro, M; Brown, D J; Graser, H-U and Tier, B (2007). “The effect of linkage and flock size on the accuracy of estimated genetic group effects.” Proceedings of the 17th Conference of the Association for the Advancement of Animal Breeding and Genetics. Armidale, Australia. September 24-26. pp.545-548.
Piper, E; Chen, Y; Zhang, Y; Tier, B; Graser, H-U; Luxford, B G and Moran, C (2007). “Single nucleotide polymorphisms in suppressor of cytokine signalling-2 gene and association with feed conversion ratio and growth in pigs.” Proceedings of the 17th Conference of the Association for the Advancement of Animal Breeding and Genetics. Armidale, Australia. September 24-26. pp.53-56.
Worsnop, C D; Johnston, D J and Graser, H-U (2007). “Accounting for selective slaughter over time when estimating breeding values for carcase traits – a simulation study.” Proceedings of the 17th Conference of the Association for the Advancement of Animal Breeding and Genetics. Armidale, Australia. September 24-26. pp.364-367.
Intaratham, W; Koonawootrittriron, S; Sopannarath, P; Graser, H-U and Tumwasorn, S (2008). “Genetic parameters and annual trends for birth and weaning weights of a Northeastern Thai indigenous cattle line.” Asian-Australasian Journal of Animal Sciences 21(4):478-483.
van der Werf, J; Graser, H-U, Frankham, R and Gondro, C (Eds) (2008). “Adaptation and Fitness in Animal Populations. Evolutionary and Breeding Perspectives on Genetic Resource Management.” Springer.
Bunter, K L; Bennett, C; Luxford, B G and Graser, H-U (2008). “Sire breed comparisons for meat and eating quality traits in Australian pig populations”. Animal 2 (8):1168-1177.
Banks, R G; Burrow, H and Graser, H-U (2009). “Progress in development and implementation of a strategy for commercialisation of DNA marker technology for the Australian beef industry.” Proceedings of the 18th Conference of the Association for the Advancement of Animal Breeding and Genetics. Barossa Valley, South Australia. September 28-October 1. pp.22-25.
Brown, D J; Swan, A A; Johnston, D J and Graser, H-U (2009). “Sire by flock-year interactions for body weight in Poll Dorset sheep.” Proceedings of the 18th Conference of the Association for the Advancement of Animal Breeding and Genetics. Barossa Valley, South Australia. September 28-October 1. pp.48-51.
Chen, Y; Zhang, Y; MacLeod, I; Kerr, R; Bunter, K L; Hayes, B; Tier, B; Graser, H-U; Luxford, B G; Goddard, M E and Moran, C (2009). “QTL mapping for feed conversion efficiency on porcine chromosome 10 in an Australian commercial population.” Proceedings of the 18th Conference of the Association for the Advancement of Animal Breeding and Genetics. Barossa Valley, South Australia. September 28-October 1. pp.183-186.
Jeyaruban, M G; Johnston, D J and Graser, H-G (2009). “Genetic association of net feed intake measured at two stages with insulin-like Growth Factor-I, growth and ultrasound scanned traits in Angus cattle.” Proceedings of the 18th Conference of the Association for the Advancement of Animal Breeding and Genetics. Barossa Valley, South Australia. September 28-October 1. pp.584-587.
Johnston, D J; Tier, B and Graser, H-U (2009). “Integration of DNA markers into BREEDPLAN EBVs.” Proceedings of the 18th Conference of the Association for the Advancement of Animal Breeding and Genetics. Barossa Valley, South Australia. September 28-October 1. pp.30-33.
Jeyaruban, M G; Johnston, D J and Graser, H-U (2009). “Estimation of genotype x environment interactions for growth, fatness and reproductive traits in Australian Angus cattle.” Animal Production Science 49:1-8.
Marshall, K; Maddox, J F; Lee, S H; Zhang, Y; Kahn, L; Graser, H-U; Gondro, C; Walkden-Brown, S W and van der Werf, J H J (2009). “Genetic mapping of quantitative trait loci for resistance to Haemonchus contortus in sheep.” Animal Genetics 40(3):262-272.
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