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Abstract

For 1112 Polwarth and 380 Corriedale lambs born in Brazil in 1979-87, birth weight averaged 3.54 and 3.79 kg respectively for males and 3.35 and 3.49 kg for females, the differences between the breeds and sexes being significant. Birth weight was significantly affected by year of birth and age of...

Author(s)
Roda, D. S.; Santos, L. E. dos; Cunha, E. A. da
Publisher
Departmento da Producao Animal, Secretaria da Agricultura, Industria e Comercio, Sao Paulo, Brazil
Citation
Boletim de Indústria Animal, 1995, 52, 1, pp 67-70
Abstract

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...

Author(s)
London, J. C.; Weniger, J. H.
Citation
Journal of Animal Breeding and Genetics, 1995, 112, 5-6, pp 431-453
Abstract

In a large semifine-wooled mutton-wool flock, mortality to 20 days of age ranged from 63.5% for single-born ram lambs weighing <1.5 kg at birth to 4.3% for single-born ewe lambs weighing 4.1-4.5 kg. The genetic correlation of body weight of the dams at 100 days of pregnancy with birth weight of...

Author(s)
Khamitsaev, R. S.; Kalabaev, Z. M.
Citation
Ovtsevodstvo, 1990, No. 4, pp 33-34
Abstract

For 1736 Nellore calves in Brazil, body weight at birth and weaning averaged 29.10±0.31 and 154.0±2.4 kg resp. Herd, sire within herd, sex of calf, the contemporary group effect (based on season and year of calving, and management) and age of dam all had a highly significant effect on birth weight, ...

Author(s)
Cardellino, R. A.; Castro, L. F. S.
Citation
Revista da Sociedade Brasileira de Zootecnia, 1987, 16, 1, pp 14-27
Abstract

For 3535 zebu calves in 4 herds in Cuba, birth weight averaged 29.3, 29.8, 31.1 and 29.9 kg, body weight at 3 months of age 78.8, 79.8, 86.0 and 101.8 kg, and body weight at 6 months 119.4, 121.8, 139.9 and 166.1 kg, the effect of herd being significant for all weights except birth weight in herd 1 ...

Author(s)
Rico, C.; Planas, T.; Menchaca, M.
Citation
Cuban Journal of Agricultural Science, 1984, 18, 3, pp 239-251
Abstract

For 1857 and 1339 Tabapuã calves in 2 herds, birth weight averaged 30.35±0.35 and 31.90±0.42 kg resp., 90-day weight 92.80±0.88 and 91.60±1.27 kg, and 205-day weight 166.95±1.60 and 159.29±1.74 kg. Daily gains averaged 694±7 and 663±10 g from birth to 90 days, 666±7 and 621±7 g from birth to 205...

Author(s)
Ledic, I. L.
Publisher
Escola Veterinária de Universidade Federal de Minas Gerais, Brazil
Citation
Efeitos de meio e estimativas de parâmetros genéticos do crescimento pré-desmama de bezerros da raça Tabapuã., 1983, pp 125 pp.