His main research concerns Animal science, Beef cattle, Heritability, Biotechnology and Herd. His Animal science course of study focuses on Feed conversion ratio and Weight gain. The study incorporates disciplines such as Ice calving, Weaning, Brahman, Agricultural science and Reproduction in addition to Beef cattle.
His Heritability research is multidisciplinary, incorporating elements of Rump and Residual feed intake. As part of one scientific family, David Johnston deals mainly with the area of Rump, narrowing it down to issues related to the Intramuscular fat, and often Hereford cattle. His research integrates issues of Animal model and Animal breeding in his study of Biotechnology.
David Johnston focuses on Animal science, Beef cattle, Heritability, Brahman and Genetic correlation. His Animal science study incorporates themes from Feed conversion ratio and Ice calving. His work carried out in the field of Beef cattle brings together such families of science as Rump, Herd, Biotechnology and Sire.
His Heritability research includes themes of Hereford cattle and Tenderness. His Brahman study combines topics from a wide range of disciplines, such as Coat and Reproduction. He interconnects Residual feed intake and Marbled meat in the investigation of issues within Feedlot.
His primary areas of study are Beef cattle, Animal science, Reproduction, Brahman and Biotechnology. His work focuses on many connections between Beef cattle and other disciplines, such as Breed, that overlap with his field of interest in Statistics. Animal science is often connected to Ice calving in his work.
His Ice calving study integrates concerns from other disciplines, such as Feedlot, Weaning, Residual feed intake and Marbled meat. David Johnston has included themes like Zoology and Northern australia in his Reproduction study. His Biotechnology research includes elements of Herd and Heritability.
David Johnston mainly focuses on Beef cattle, Animal science, Herd, Sire and Ice calving. David Johnston integrates Animal science and Genetic correlation in his research. Many of his studies on Genetic correlation apply to Genetic distance as well.
His Herd research is multidisciplinary, relying on both Breed, Genetics and Shorthorn. The various areas that David Johnston examines in his Sire study include Biotechnology and Heritability. His Ice calving research is multidisciplinary, incorporating perspectives in Feedlot, Weaning, Residual feed intake and Marbled meat.
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Genetic and phenotypic variance and covariance components for feed intake, feed efficiency, and other postweaning traits in Angus cattle
P F Arthur;J A Archer;D J Johnston;R M Herd.
Journal of Animal Science (2001)
Genetic analyses of live-animal ultrasound and abattoir carcass traits in Australian Angus and Hereford cattle.
A Reverter;D J Johnston;H U Graser;M L Wolcott.
Journal of Animal Science (2000)
Days to calving in Angus cattle: Genetic and environmental effects, and covariances with other traits
David J. Johnston;Kim L. Bunter.
Livestock Production Science (1996)
Genetics of heifer puberty in two tropical beef genotypes in northern Australia and associations with heifer- and steer-production traits
David Johnston;Stephen Barwick;N J Corbet;N J Corbet;G Fordyce.
Animal Production Science (2009)
Genome-wide association studies of female reproduction in tropically adapted beef cattle.
R. J. Hawken;Y. D. Zhang;M. R. S. Fortes;M. R. S. Fortes;M. R. S. Fortes;E. Collis;E. Collis.
Journal of Animal Science (2012)
GENETIC VARIATION IN FEED INTAKE AND EFFICIENCY OF MATURE BEEF COWS AND RELATIONSHIPS WITH POSTWEANING MEASUREMENTS
J. A. Archer;A. Reverter;R. M. Herd;D. J. Johnston.
Proceedings of the 7th World Congress on Genetics Applied to Livestock Production, Montpellier, France, August, 2002. Session 10. (2002)
Genetic evaluation for the beef industry in Australia
Hans Ulrich Graser;Bruce Tier;David Johnston;Stephen Barwick.
Animal Production Science (2005)
Genetic and phenotypic characterisation of animal, carcass, and meat quality traits from temperate and tropically adapted beef breeds. 1. Animal measures
D. J. Johnston;A. Reverter;H. M. Burrow;V. H. Oddy.
Crop & Pasture Science (2003)
Genetic and phenotypic relationships between insulin-like growth factor-I (IGF-I) and net feed intake, fat, and growth traits in Angus beef cattle
KL Moore;D Johnston;Hans-Ulrich Graser;Robert M Herd.
Crop & Pasture Science (2005)
The genetic architecture of climatic adaptation of tropical cattle
Laercio R. Porto-Neto;Antonio Reverter;Kishore C. Prayaga;Eva K. F. Chan.
PLOS ONE (2014)
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