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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

1483 birth and 1209 weaning records of Dorper lambs in a commercial flock were used to investigate the effects of environmental factors on birth and weaning weights and on preweaning growth and survival. Preweaning survival was relatively high (0.91) and largely independent of known sources of...

Author(s)
Cloete, S. W. P.; Villiers, T. T. de
Citation
South African Journal of Animal Science, 1987, 17, 3, pp 121-127
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

Data on 3800 Charolais calves were analysed. Birth weight averaged 34.32 kg, and was significantly affected by sex (34.73 kg for ♂♂ vs. 33.92 kg for ♀♀), year, herd, season and age of dam. Body weight at 3 months averaged 96.75 kg, and was significantly affected by all the above factors; it...

Author(s)
Rodríguez, N.; Menéndez, A.; Domínguez, A.
Citation
Revista Cubana de Reproducción Animal, 1985, 11, 1, pp 37-49
Abstract

Data on 1842 German Mutton Merino lambs, born in Chile in 1977-81, were analysed. Body weight at birth averaged 4.36±0.02 kg, weaning weight 22.10±0.10 kg and daily preweaning gain 203.97±1.37 g. Birth weight and preweaning gains were significantly affected by type of birth (single or twin), which...

Author(s)
Readi, C. G. A.
Citation
Avances en Producción Animal, 1984, 9, 1-2, pp 200
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 974 ♂ and 883 ♀ Tabapuã calves from 46 sires and 937 dams, birth weight averaged 31.35±0.35 kg; it was significantly affected by sire and sex of calf, which accounted for 7.07 and 4.73% resp. of the variation in birth weight. Body weight at 90 days averaged 92.80±0.88 kg, and was significantly...

Author(s)
Ledic, I. L.; Torres, J. R.; Fonseca, C. G.; Pereira, C. S.; Bergmann, J. A. G.; Carneiro, G. C.
Citation
Memorias, Asociación Latinoamericana de Producción Animal, 1983, 18, pp 151
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.

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