Skip to main content Accessibility help

Progeny test results on Hereford bulls weight-recorded on the farm

  • C. Smith (a1), D. E. Steane (a1) and C. Jordan (a1)


Regressions of progeny growth rate and slaughter age on bull weight for age (400-day) record were estimated from data on 63 Hereford bulls. The bulls had been weight-recorded by the Meat and Livestock Commission and subsequently progeny-tested by the Milk Marketing Board on 1300 crossbred British Friesian steers. Interpretation of the regressions led to estimates of 16 to 35% (± 9 to 17%) for the ‘effective’ heritability of400-day weight. These are lower than the average in the literature and may indicate that farm records with natural rearing of bulls are less reliable than tests with uniform rearing and feeding conditions.



Hide All
Dalton, C. and Morris, C. A. 1978. A review of central performance testing of beef bulls and of recent relevant research in New Zealand. Livest. Prod. Sci. 5: 147157.
Lessells, W. J. and Francis, A. L. 1968. The crossbred progeny test of beef bulls. Expl. Husb. 16: 112.
Okantah, S. A. 1978. A study of central performance tested beef bulls. In MLC Res. Conf., Loughborough.
Pabst, W., Kilkenny, J. B. and Langholz, H. J. 1976. Genetic and environmental factors influencing calf performance in pedigree beef cattle in Britain. 2. The relationship between birth, 200-day and 400-day weights and the heritability of weight for age. Anim. Prod. 24: 4148.
Preston, T. R. and Willis, M. B. 1970. Intensive Beef Production. Pergamon Press, Oxford.
Russell, W. S. 1973. Compreg User's Guide. IU/RC Series Report No. 5. Program Library Unit, University of Edinburgh.

Progeny test results on Hereford bulls weight-recorded on the farm

  • C. Smith (a1), D. E. Steane (a1) and C. Jordan (a1)


Full text views

Total number of HTML views: 0
Total number of PDF views: 0 *
Loading metrics...

Abstract views

Total abstract views: 0 *
Loading metrics...

* Views captured on Cambridge Core between <date>. This data will be updated every 24 hours.

Usage data cannot currently be displayed.