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Abstract

For 15 515 Nelore and Charolais × Nelore calves in 2 herds in Brazil, birth weight averaged 32.02 and 30.12 kg respectively, and for 14 481 calves of the 2 types, body weight at weaning averaged 207.32 and 192.75 kg respectively and daily preweaning gain 650 and 604 g. All traits were significantly ...

Author(s)
Alencar, M. M. de; Trematore, R. L.; Leite Oliveira, J. de A.; Almeida, M. A. de
Citation
Revista Brasileira de Zootecnia, 1998, 27, 1, pp 40-46
Abstract

Data on the birth weights of 15 518 Nelore and Charolais × Nelore calves, born in Brazil in 1980-92, and on the weaning weights and preweaning daily gain of 14 481 calves were analysed. Crossbreeding had a significant direct additive effect on all weights and gains, the birth weight, weaning weight ...

Author(s)
Trematore, R. L.; Alencar, M. M. de; Barbosa, P. F.; Oliveira, J. de A. L.; Almeida, M. A. de
Citation
Revista Brasileira de Zootecnia, 1998, 27, 1, pp 87-94
Abstract

Data on purebred and crossbred calves from Nelore cows were analysed. In the 1st trial there were no significant differences between purebred Nelore calves and Tabapuã × Gir calves in birth weight, weaning weight, body weight of dam at calving or the relationships of calf birth weight and weaning...

Author(s)
Alencar, M. M. de; Trematore, R. L.; Oliveira, J. de A. L.; Almeida, M. A. de; Barbosa, P. F.
Citation
Revista Brasileira de Zootecnia, 1997, 26, 3, pp 467-472
Abstract

The performance of purebred and crossbred Nelore cattle was compared. In trial 1, birth weight, weaning weight and daily gain from birth to weaning averaged 28.6, 181 and 0.565 kg respectively for 1641 purebred Nelore calves vs. 29.7, 191 and 0.599 kg for 1161 Canchim × Nelore crossbreds, and in...

Author(s)
Alencar, M. M. de; Trematore, R. L.; Barbosa, P. F.; Almeida, M. A. de; Oliveira, J. de A. L.
Citation
Revista Brasileira de Zootecnia, 1997, 26, 3, pp 461-466
Abstract

Of 375 cows in Brazil mated in Oct.-Jan., 67.73% calved and 80.31% of calves survived to weaning vs. 71.17 and 88.21% resp. for 195 cows mated in Apr.-July; the differences between the groups were significant. Year of mating had a significant effect on calving and weaning rates (P<0.01)....

Author(s)
Santiago, M.; Nascimento, J. do; Alencar, M. M. de; Tundisi, A. G. A.; Silva, R. P. da; Alves, B. C.
Publisher
Departmento da Producao Animal, Secretaria da Agricultura, Industria e Comercio, Sao Paulo, Brazil
Citation
Boletim de Indústria Animal, 1983, 40, 2, pp 189-193
Abstract

Data on 1968 Canchin calves were analysed, using 2 models, based on calf mortality as a trait of the cow or of the calf itself. Calf mortality to weaning was significantly affected by month of calving (P less than 0.01) for both models, with 11.25% more calves born in Feb.-Sep. surviving than those ...

Author(s)
Alencar, M. M. de
Citation
Revista da Sociedade Brasileira de Zootecnia, 1982, 11, 4, pp 681-694

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