1. Some causes of neonatal and postnatal calf loses;Anderson;Journal of Animal Science,1967
2. Incidence of dystocia and perinatal calf mortality resulting from reciprocal crossing of double muscled and normal cattle;Arthur;Canadian Veterinary Journal,1988
3. Reproduction and growth in beef heifers;Bellows;Artificial Insemination Digest,1968
4. The influence of relative birth weight and certain other factors on calving performance in Swedish dairy cattle breeds;Berglund;Animal Reproduction Science,1987
5. Calving Problems and Early Viability of the Calf;Hanset,1979