Calving interval genetic parameters and trends for dairy breeds in South Africa.
- Published in:
- South African Journal of Animal Science, 2010, v. 40, n. 2, p. 156, doi. 10.4314/sajas.v40i2.57288
- By:
- Publication type:
- Article
Works by Van der Westhuizen, R. R.
Results: 12
1
2
Procedures for estimation of genetic persistency indices for milk production for the South African dairy industry.
- Published in:
- South African Journal of Animal Science, 2008, v. 38, n. 3, p. 224, doi. 10.4314/sajas.v38i3.4128
- By:
- Publication type:
- Article
3
Rate of inbreeding and effective population size in four major South African dairy cattle breeds.
- Published in:
- South African Journal of Animal Science, 2006, v. 36, n. 1, p. 50, doi. 10.4314/sajas.v36i1.3986
- By:
- Publication type:
- Article
4
Genetic relationship between feed efficiency and profitability traits in beef cattle.
- Published in:
- South African Journal of Animal Science, 2004, v. 34, n. 6, p. 50, doi. 10.4314/sajas.v34i6.3829
- By:
- Publication type:
- Article
5
Genetic variance components for residual feed intake and feed conversion ratio and their correlations with other production traits in beef bulls.
- Published in:
- South African Journal of Animal Science, 2004, v. 34, n. 4, p. 257
- By:
- Publication type:
- Article
6
The effect of heterogeneity for yearling weights measured in different test phases of the South African National Beef Cattle Improvement Scheme.
- Published in:
- South African Journal of Animal Science, 2002, v. 32, n. 4, p. 171
- By:
- Publication type:
- Article
7
The effect of heterogeneity for yearling weights measured in different test phases of the South African National Beef Cattle Improvement Scheme.
- Published in:
- South African Journal of Animal Science, 2002, v. 32, n. 3, p. 171, doi. 10.4314/sajas.v32i3.3743
- By:
- Publication type:
- Article
8
Genetic parameters for reproductive traits in a beef cattle herd estimated using multitrait analysis.
- Published in:
- South African Journal of Animal Science, 2001, v. 31, n. 1, p. 41, doi. 10.4314/sajas.v31i1.3846
- By:
- Publication type:
- Article
9
Heritability estimates derived from threshold analyses for reproduction and stayability traits in a beef cattle herd.
- Published in:
- South African Journal of Animal Science, 2001, v. 31, n. 1, p. 25, doi. 10.4314/sajas.v31i1.3844
- By:
- Publication type:
- Article
10
Understanding the underlying genetic mechanisms for age at first calving, inter-calving period and scrotal circumference in Bonsmara cattle.
- Published in:
- BMC Genomics, 2023, v. 24, n. 1, p. 1, doi. 10.1186/s12864-023-09518-8
- By:
- Publication type:
- Article
11
Is dit nodig om totsiens te sê vir Ndumo se swartrenosters: faktore wat swartrenoster (Diceros bicornis minor) bevolkings beïnvloed.
- Published in:
- Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie, 2008, v. 27, n. 1, p. 55
- By:
- Publication type:
- Article
12
A national benchmarking survey of student counselling centres/units in South Africa.
- Published in:
- South African Journal of Higher Education, 2010, v. 24, n. 1, p. 48
- By:
- Publication type:
- Article