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A/Prof David Johnston

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Publication DateTitleAuthor(s)Date Added
126-Jul-2023New module for prediction of reproductive traits EBV in BreedplanJeyaruban, M G ; Johnston, D J 18-Sep-2023
226-Jul-2023Signatures of positive selection for scrotal circumference in three beef cattle breedsManzari, Z ; Johnston, D J ; Connors, N K ; Ferdosi, M H 19-Sep-2023
326-Jul-2023Breedplan single-step genomic evaluations delivers increased accuracies across all breeds and EBVsJohnston, D J ; Ferdosi, M H ; Connors, N K ; Cook, Jim ; Girard, C J ; Swan, A A 19-Sep-2023
426-Jul-2023Application of an empirical approach for predicting accuracy for genomic evaluationsMoore, K L ; Gurman, P M ; Johnston, D J 19-Sep-2023
526-Jul-2023Remodelling the genetic evaluation of NFI in beef cattle - Part 2: Shortening the length of the feed intake testVargovic, L ; Moore, K L ; Johnston, D J ; Jeyaruban, G M ; Girard, C J ; Cook, J ; Torres-Vazquez, J A ; Miller, S P 20-Sep-2023
626-Jul-2023Remote sensor collars measure age at puberty in tropical beef heifers in northern AustraliaJohnston, D J ; Dayman, M; Grant, T P; Hubbard, K; Goodwin, K; Doughty, A K; Cook, J D20-Sep-2023
726-Jul-2023Development of a new Breedplan objective body composition EBV to allow selection to improve cow survivalWolcott, M L ; Johnston, D J ; Jeyaruban, M G ; Girard, C J 20-Sep-2023
826-Jul-2023Remodelling the genetic evaluation of NFI in beef cattle - Part 1: Developing an equivalent genetic modelVargovic, L ; Moore, K L ; Johnston, D J ; Jeyaruban, G M; Girard, C J ; Cook, J ; Torres-Vazquez, J A ; Miller, S P 20-Sep-2023
926-Jul-2023Validation of calving ease EBVs examining the impact of genetic groups and single-step on predictive abilityGurman, P M ; Li, L ; Jeyaruban, M G ; Johnston, D J ; Girard, C J ; Swan, A A 20-Sep-2023
10Jul-2022Genetics of heifer puberty and growth in tropically adapted beef breedsCampbell, J; Johnston, D J 25-Oct-2023
11Jul-2022Poll genotype or phenotype are not associated with growth performance in tropical beef breedsGrant, Tim; Johnston, David 25-Oct-2023
122022Polled Accelerator – a unique application of genomic technologies to address a beef breeding challengeJohnston, D J ; Ferdosi, M H ; Cook, J ; Savage, D B 25-Jan-2024
132022A new metric to assess reference populations for genomic selection in Australian beef breedsMoore, K L ; Ferdosi, M H ; Girard, C G ; Walkom, S F ; Johnston, D J 25-Oct-2023
142021Estimation of optimum polygenic and genomic weights in single-step genetic evaluation of carcass traits in Australian Angus beef cattleSamaraweera, A M ; Torres-Vazquez, J A ; Jeyaruban, M G ; Johnston, D J ; Boerner, V 13-Apr-2022
152021Determination of optimum weighting factors for single-step genetic evaluation via genetic variance partitioningTorres-Vázquez, J A ; Samaraweera, A M ; Jeyaruban, M G ; Johnston, D J ; Boerner, V 13-Apr-2022
162021Initiating the Southern Multi-Breed Resource populationWalmsley, B J ; Donoghue, K A; Johnston, D J ; Clark, S A ; Siddell, J P; Walkom, S F ; Granleese, T ; Arthur, P F8-Aug-2022
172021Genetic analysis of body condition and growth traits in beef females within and across ages and physiological statesMoore, K L ; Grant, T P; Johnston, D J 13-Apr-2022
182021Genetic improvement of cow reproduction in northern Australia beef cattle breedsMoore, Kirsty L ; Wolcott, Matt L ; Johnston, David J 23-Sep-2021
19Aug-2020Modeling rapid introgression of the POLLED allele via gene editing in a Northern Australian beef cattle populationMueller, M L; Cole, J B; Connors, N K ; Johnston, D J ; Randhawa, I A S; Van Eenennaam, A L8-Aug-2021
20Nov-2019Comparison of Gene Editing Versus Conventional Breeding to Introgress the Polled Allele into the Tropically Adapted Australian Beef Cattle PopulationMueller, M L; Cole, J B; Connors, N K ; Johnston, D J ; Randhawa, I A S; Van Eenennaam, A L25-May-2020
21Nov-2019Increases in Accuracy of Female Reproduction Genetic Evaluations for Beef Breeds in Northern AustraliaMoore, K L ; Girard, C J ; Grant, T P; Johnston, D J 25-May-2020
22Aug-2019Is mothering behaviour a potential measure of reproductive performance?Campbell, Joanne; Moore, Kirsty ; Johnston, David 11-May-2022
232019More Genotypes than Markers: The SS-T-BLUP Model in Action: An Application Study in Multi-Trait Australian Angus BREEDPLAN Genetic EvaluationBoerner, V ; Johnston, D J 22-Jul-2020
242019Correcting Sampling Bias in Microsatellite Marker Testing for PollednessConnors, N K ; Banks, R G ; Johnston, D J 6-May-2020
252019Simple Example to Demonstrate the Effect of Allele Frequencies on the Genomic Relationship Matrix ValuesFerdosi, M H ; Connors, N K ; Boerner, V ; Johnston, D J 4-May-2020
262019Validation of Single Step Genomic Best Linear Unbiased Prediction in Beef CattleJeyaruban, M G ; Gurman, P M ; Johnston, D J ; Swan, A A ; Banks, R G ; Girard, C J 17-May-2020
272019Genetic Correlations Between Days to Calving and Other Male and Female Reproduction Traits in Brahman CattleJohnston, D J ; Moore, K L 18-May-2020
282019Genetic and non-genetic effects gestation length on northern Australian tropically adapted beef breedsMoore, K ; Grant, T P; Johnston, D J 14-Oct-2021
292019Changes to poll DNA testing for Australian beef cattleConnors, Natalie K ; Banks, Rob ; Johnston, David J 19-Jul-2021
302018Current status of Australia's diagnostic poll haplotype testConnors, Natalie ; Tier, Bruce ; Johnston, David 14-May-2018
312018Implementation of single-step genomic BREEDPLAN evaluations in Australian beef cattleJohnston, David ; Ferdosi, Mohammad ; Connors, Natalie ; Boerner, Vinzent ; Cook, Jim ; Girard, Christian ; Swan, Andrew ; Tier, Bruce 14-May-2018
322018Sperm abnormality traits can contribute to the genetic evaluation for male and female reproduction in tropical beef genotypesWolcott, M L ; Johnston, D J ; Corbet, N J8-Jul-2019
332017Weighting factors for genomic information used in Single-Step genomic selection in Australian beefZhang, Yuandan ; Swan, Andrew ; Johnston, David ; Girard, Christian 30-May-2018
342017Development of the beef genomic pipeline for BREEDPLAN single step evaluationConnors, Natalie ; Cook, Jim ; Girard, Christian ; Tier, Bruce ; Gore, Klint ; Johnston, David ; Ferdosi, Mohammad 31-May-2018
352017Factors Influencing Gestation Length in Tropically Adapted Beef Cattle Breeds in Northern AustraliaJohnston, David ; Grant, T P4-Jul-2018
362017Genetic Association of Young Male Traits with Female Reproductive Performance in Brahman and Santa Gertrudis CattleJeyaruban, M Gilbert ; Johnston, David 5-Jul-2018
372017A Simple Method for Evaluating the Genotype Quality of the Sire X Chromosome Using Half‑Sib FamiliesFerdosi, Mohammad ; Johnston, David ; Al-Mamun, Hawlader A; Gondro, Cedric 5-Jul-2018
382017Preputial Eversion in Young, Tropically Adapted Bulls is a Useful Genetic Indicator Trait for Improving Female ReproductionWolcott, Matthew L ; Johnston, David 4-Jul-2018
392017Genomics Can Contribute to Selection to Improve Bottle Teats in Tropical Beef GenotypesWolcott, Matthew L ; Johnston, David ; Zhang, Yuandan 4-Jul-2018
402017The Repronomics Project - Enabling Genetic Improvement in Reproduction in Northern AustraliaJohnston, David ; Grant, T P; Schatz, T J; Burns, B M; Fordyce, G; Lyons, R E5-Jul-2018
412017Genetic and Phenotypic Characterization of MSA Index and its Association with Carcase and Meat Quality Traits in Angus and Brahman CattleJeyaruban, M Gilbert ; Johnston, David ; Walmsley, Bradley J 5-Jul-2018
422016Increased accuracy of the Poll DNA marker test for Australian beef cattleConnors, Natalie ; Tier, Bruce ; Johnston, David 18-Dec-2017
432015Improving the Accuracy of Genomic Selection for Lactation Anoestrous Interval in Brahman CattleWolcott, Matthew L ; Zhang, Yuandan ; Johnston, David 20-May-2016
442015Extended Cow Liveweight Modelling for Beef Cattle Breeding ObjectivesWalmsley, Bradley J ; Wolcott, Matthew L ; Pitchford, W S; Johnston, David ; Barwick, Stephen 20-May-2016
452015Impact of Scanning Lean Cattle on the Genetic Correlation Between Scan and Carcase Intramuscular Fat in Angus and Hereford CattleWalkom, Samuel ; Jeyaruban, M Gilbert ; Johnston, David 24-May-2016
462014Genetic Improvement of Reproduction in Beef CattleJohnston, D J 21-May-2015
472014The Genetics of Brahman Cow Weight in Northern Australia and its Relationship with Female Reproductive PerformanceWolcott, Matthew L ; Johnston, David ; Van Der Werf, Julius H 21-May-2015
482014Genomic Breeding values from Across Breed Prediction in Practice: Accuracy of Beef-CRC Genomic Breeding Values in Australian Angus and Australian Brahman beef cattleBoerner, V ; Johnston, D J ; Tier, B 19-May-2015
492014Estimated Additive and Non-additive Breed Effects and Genetic Parameters for Ultrasound Scanned Traits of a Multi-breed Beef Population in Tropical AustraliaJeyaruban, M G ; Johnston, D J 19-May-2015
502013Genetic Associations of Early Growth and Ultrasound Scanned Traits in Several Beef BreedsJeyaruban, M Gilbert ; Johnston, David 24-Mar-2014

Profile

Credit Name
A/Prof David Johnston
Full Name
Johnston, David
Variants
Johnston, David J
Johnston, D J
 
UNE Researcher ID
une-id:djohnsto
 
Position Title
Principal Scientist
 
Email
 
ORCID
Scopus Author ID
Web of Science profile key
34387009
Discipline
Animal Genetics and Breeding Unit
 
Faculty
Deputy Vice-Chancellor (Research)
Honorific
A/Prof
 
Surname
Johnston
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Given Name
David
 
Middle Name
James
Preferred Given Name
David
School/Department
Animal Genetics and Breeding Unit
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