Items where Author is "Johnston, D.J."

Article

Johnston, D.J., Corbet, N.J., Barwick, S.A., Wolcott, M.L. and Holroyd, R.G. (2014) Genetic correlations of young bull reproductive traits and heifer puberty traits with female reproductive performance in two tropical beef genotypes in northern Australia. Animal Production Science, 54 (1). pp. 74-84. https://doi.org/10.1071/an13044

Barwick, S.A., Johnston, D.J., Holroyd, R.G., Walkley, J.R.W. and Burrow, H.M. (2014) Multi-trait assessment of early-in-life female, male and genomic measures for use in genetic selection to improve female reproductive performance of Brahman cattle. Animal Production Science, 54 (1). pp. 97-109. https://doi.org/10.1071/an13134

Burns, B. M., Corbet, N.J., Corbet, D. H., Crisp, J.M., Venus, B., Johnston, D.J., Li, Y., McGowan, M. R. and Holroyd, R.G. (2013) Male traits and herd reproductive capability in tropical beef cattle. 1. Experimental design and animal measures. Animal Production Science, 53 (2). pp. 87-100. https://doi.org/10.1071/AN12162

Corbet, N.J., Burns, B. M., Johnston, D.J., Wolcott, M.L., Corbet, D. H., Venus, B., Li, Y., McGowan, M. R. and Holroyd, R.G. (2013) Male traits and herd reproductive capability in tropical beef cattle. 2. Genetic parameters of bull traits. Animal Production Science, 53 (2). pp. 101-113. https://doi.org/10.1071/AN12163

Barwick, S.A., Johnston, D.J., Burrow, H.M., Holroyd, R.G., Fordyce, G., Wolcott, M.L., Sim, D. and Sullivan, M. T. (2009) Genetics of heifer performance in 'wet' and 'dry' seasons and their relationships with steer performance in two tropical beef genotypes. Animal Production Science, 49 (6). pp. 367-382. https://doi.org/10.1071/EA08273

Barwick, S.A., Johnston, D.J., Burrow, H.M., Holroyd, R.G., Fordyce, G., Wolcott, M.L., Sim, D. and Sullivan, M. T. (2009) Erratum: Genetics of heifer performance in 'wet' and 'dry' seasons and their relationships with steer performance in two tropical beef genotypes.(Animal Production Science (2009) 49:5-6 (367-382)). Animal Production Science, 49 (8). p. 727. https://doi.org/10.1071/EA08273

Prayaga, K. C., Corbet, N.J., Johnston, D.J., Wolcott, M.L., Fordyce, G. and Burrow, H.M. (2009) Genetics of adaptive traits in heifers and their relationship to growth, pubertal and carcass traits in two tropical beef cattle genotypes. Animal Production Science, 49 (6). pp. 413-425. https://doi.org/10.1071/EA08247

Johnston, M.D., Johnston, D.J. and Jones, C.M. (2008) Evaluation of partial replacement of live and fresh feeds with a formulated diet and the influence of weaning Panulirus ornatus phyllosomata onto a formulated diet during early ontogeny. Aquaculture International, 16 (1). pp. 33-47. https://doi.org/10.1007/s10499-007-9121-2

Conference or Workshop Item

Campbell, J. and Johnston, D.J. (2022) Genetics of heifer puberty and growth in tropically adapted beef breeds. In: Australian Association of Animal Sciences 34th Biennial Conference 2022, 5–7 July 2022, Cairns, Queensland.

Moore, K.L., Grant, T. P. and Johnston, D.J. (2021) Genetic analysis of body condition and growth traits in beef females within and across ages and physiological states. In: Proceedings of the 24th Conference of the Association for the Advancement of Animal Breeding and Genetics, 2-4 November 2021.

Johnston, D.J. and Grant, T. P. (2017) Factors influencing gestation length in tropically adapted beef cattle breeds in Northern Australia. In: AAABG 22nd Conference - Science Enabling Industry Outcomes, Townsville.

Johnston, D.J., Grant, T. P., Schatz, T., Burns, B. M., Fordyce, G. and Lyons, R.E. (2017) The Repronomics Project - enabling genetic improvement in reproduction in Northern Australia. In: AAABG 22nd Conference - Science Enabling Industry Outcomes, Townsville.