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Abstract

Data were analysed on 4354 kindlings of Bauscat, New Zealand White and Californian rabbits. Mortality of offspring to weaning (including stillbirths) was approximately 24% in all breeds. Mortality was highly significantly affected by season of kindling, parity, and litter size at birth. The sire...

Author(s)
Farghaly, H. M.; El-Darawany, A. A.; Yamani, K. A.
Citation
Cahiers Options Mediterraneennes, 1994, 8, pp 263-270
Abstract

Data on 379 Black Bengal, 568 Jamnapari × Black Bengal and 296 Beetal × Black Bengal kids born in 1981-86 were analysed to study the influence of genetic group, sex, season of birth, type of birth, birth weight, dam's weight at kidding, filial generation and parity of dam (as covariate) on...

Author(s)
Singh, D. K.; Mishra, H. R.; Singh, C. S. P.
Citation
Animal Production, 1990, 51, 3, pp 559-564
Abstract

Data on 867 purebred and crossbred Duroc, Landrace and Large White (LW) litters were analysed. Birth weight averaged 1.42±0.02 kg, litter weight at weaning (at 27.94±0.63 days of age) 34.27±1.28 kg and piglet weaning weight 4.59±0.06 kg. Breed of dam had a significant effect on all the above traits ...

Author(s)
Peña de Borsotti, N.; Verde S., O.
Citation
Memorias, Asociación Latinoamericana de Producción Animal, 1983, 18, pp 154
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.
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
Abstract

Data on 3206 litters from 1062 sows and 129 boars were analysed. The percentage of stillbirths was 13.8, and piglet mortality was 14.9% between birth and 21 days of age, and 3.1% between 21 days and weaning. The h2s (based on sire components) of stillbirths, mortality from birth to 21 days, and...

Author(s)
Rico, C.; Gomez, J.
Citation
Cuban Journal of Agricultural Science, 1982, 16, 1, pp 37-44
Abstract

Body weight of 193 Gir calves averaged 21.2 and 123.2 kg at birth and 205 days of age resp., and daily gains from birth to 205 days averaged 500 g. Year of birth and sex of calf had a significant effect on all traits studied, males being heavier than females at both ages. Month of calving had a...

Author(s)
Torres, R. A.; Silva, M. A.; Torres, J. R.
Citation
Revista da Sociedade Brasileira de Zootecnia, 1979, 8, 3, pp 488-496
Abstract

Data were collected over a 10-yr period at an experiment station on feed consumption and body weight gain. Experimental animals were sired by Devon, Danish Red, Red Poll, Santa Gertrudis and crossbred bulls. Classification variables included in the analysis were sex, month and year of birth, sire...

Author(s)
Tran, T. Q.
Citation
Dissertation Abstracts International, B, 1979, 39, 12, Pt. 1, pp 5671
Abstract

For 1417 Landrace, Yorkshire, Hampshire and crossbred piglets born in 1970-72, mortality from birth to 3 days of age, from 4 to 10 days, and from 11 days to weaning was 20.7, 13.6 and 10.5% resp. Hampshires had the highest mortality (22.83, 11.89 and 15.59% above average during the 3 periods...

Author(s)
Muller-Haye, B.; Verde, O.; Vecchionacce, R., H.
Citation
Memoria, Asociacion Latinoamericana de Produccion Animal, 1978, 13, pp 195-201

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