References
- Baker , R.L. , Clarke , J.N. , Carter , A.H. and Diprose , G.D. 1979 . Genetic and phenotypic parameters in New Zealand Romney sheep. I. Body weights, fleece weights and oestrus activity . New Zealand journal of agricultural research , 22 : 9 – 21 .
- Clarke , J.N. and Rae , A.L. 1976 . Sheepian advisers manual , Wellington : Ministry of Agriculture and Fisheries .
- Eikje , E.D. 1971 . Studies on sheep production records. I. Effect of environmental factors on weight of lambs . Acta agriculturae Scandinavia , 21 : 26 – 32 .
- Eikje , E.D. 1974: . Studies on sheep production records. III. Expectations of genetic parameters for lamb weights expressed as deviations from contemporary averages . Acta agriculturae Scandinavia , 24 : 260 – 266 .
- Eikje , E.D. and Johnson , D.L. 1979 . Adjustment factors for lamb weaning weight. II. Sources of variation in adjustment factors . New Zealand journal of agricultural research , 22 : 391 – 397 .
- Jury , K.E. , Johnson , D.L. and Clarke , J.N. 1979 . Adjustment factors for lamb weaning weight. I. Estimates from commercial flocks . New Zealand journal of agricultural research , 22 : 385 – 389 .