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Birth weight increased with increasing parity number to the 5th in dams in the subhumid zone (SH, 1.89 kg) and to the 6th in dams in the humid zone (H, 1.71 kg) dams. Season did not significantly affect birth weight in either zone. Birth type (single vs. twins) had the greatest influence on birth...

London, J. C.; Weniger, J. H.
Journal of Animal Breeding and Genetics, 1995, 112, 5-6, pp 431-453