proposed selection index for feedlot profitability based on estimated breeding values von van der Westhuizen, R.R, van der Westhuizen, J

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Calving interval genetic parameters and trends for dairy breeds in South Africa von Theron, H.E., Mostert, B.E., Van der Westhuizen, R.R.

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genetic analysis of post-weaning feedlot performance and profitability in Bonsmara cattle von Westhuizen, R.R. van der, Westhuizen, J. van der, Schoeman, S.J

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Non-genetic factors affecting growth performance and carcass characteristics of two South African pig breeds von Mulugeta, S.D, Dube, B, Van der Westhuizen, R.R

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Procedures for estimation of genetic persistency indices for milk production for the South African dairy industry von Van der Westhuizen, R.R., Mostert, B.E., Theron, H.E.

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Genetic variance components for residual feed intake and feed conversion ratio and their correlations with other production traits in beef bulls von Van der Westhuizen, R.R., Van der Westhuizen, J., Schoeman, S.J.

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Rate of inbreeding and effective population size in four major South African dairy cattle breeds von Maiwashe, A, Nephawe, KA, van der Westhuizen, RR, Mostert, BE, Theron, HE

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Genetic relationship between feed efficiency and profitability traits in beef cattle von Van der Westhuizen, RR, Van der Westhuizen, J, Schoeman, SJ

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Heritability estimates derived from threshold analyses for reproduction and stayability traits in a beef cattle herd von Van der Westhuizen, R.R., Schoeman, S.J., Jordaan, G.F., Van Wyk, J.B.

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The effect of heterogeneity for yearling weights measured in different test phases of the South African National Beef Cattle Improvement Scheme von Van der Westhuizen, R.R, Rust, T. (Agricultural Research Council, Irene (South Africa). Animal Improvement Inst.)

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Genetic parameters for reproductive traits in a beef cattle herd estimated using multitrait analysis von Jordaan, G.F., Schoeman, S.J., Van Wyk, J.B., Van der Westhuizen, R.R.

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Agents of change: The role of healthcare workers in the prevention of nosocomial and occupational tuberculosis von Nathavitharana, RR, Bond, P, Dramowski, A, Kotze, K, Lederer, P, Oxley, I, Peters, JA, Rossouw, C, van der Westhuizen, H-M, Willems, B, Ting, TX, von Delft, A, von Delft, D, Duarte, R, Nardell, E, Zumla, A

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