Environmental effects on neonatal mortality of beef calves.

  title={Environmental effects on neonatal mortality of beef calves.},
  author={Sara Melin Azzam and James E Kinder and Merlyn K. Nielsen and L A Werth and Katherine E. Gregory and Larry V. Cundiff and Robert De Mello Koch},
  journal={Journal of animal science},
  volume={71 2},
Calving records from 1969 to 1989 from the Roman L. Hruska U.S. Meat Animal Research Center were used to investigate how climatic conditions, in addition to dystocia, age of dam, size of calf, and sex affect calf survival from birth to 1 wk of age. Data were analyzed separately for cows calving with (n = 11,094) or without (n = 72,187) dystocia. Neonatal mortality was described by a logit model and parameters were estimated by maximum-likelihood procedures. Calves born to cows with dystocia… CONTINUE READING

From This Paper

Figures, tables, and topics from this paper.


Publications citing this paper.
Showing 1-10 of 17 extracted citations


Publications referenced by this paper.
Showing 1-10 of 17 references

Livestock and Meat Statistics , 1984 - 1988

S. M. Pritchard, S. M. Azzam, D. A. Fiske, G. H. Pfeiffer, M. K. Nielsen

Germ plasm evaluation in cattle

K. E. Gregory

Genetic and environmental influences on offspring sex ratio and neonatal sunival in Bos indicus x Bos taurus cattle

R. M. Koch, K. E. Gregory, G. L. Hahn
J . Anim . Breed . Genet . • 1987

Similar Papers

Loading similar papers…