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Animal Science Database

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Abstract

Data on 23 litters from Large White (LW) × (LW × Landrace) gilts and 33 litters from 11 LW × Landrace sows in Spain were analysed. Females were mated with a Dutch Landrace (DL) or a Piétrain × Duroc boar. There were significant differences between gilts and sows in average birth weight of female...

Author(s)
Daza, A.; Evangelista, J. N. B.; Gutiérrez Barquín, M. G.
Citation
ITEA Producción Animal, 1997, 93, 2, pp 119-129
Abstract

For 484 Polwarth ewes, lambing in 1979-92, gestation length averaged 148.5 days. Of lambs born, 258 were male and 226 female, and 102 lambings resulted in the birth of twins. The birth weight of 492 lambs averaged 2.74 kg and was significantly affected by sex of lamb, litter size, parity and year...

Author(s)
Lanzoni, N. A.; Queiroz, S. A.; Albuquerque, L. G.; Garcia Sobrinho, A.; Andrade, A. F.
Citation
Ars Veterinaria, 1996, 12, 2, pp 178-187
Abstract

The effects of dam postpartum body weight, gestation period, number of teats and sex of kit on preweaning growth were investigated in 243 kits from 44 dams. Gestation period averaged 47 days (38-57), and had no significant effect on litter size or dam body weight. Litter size significantly affected ...

Author(s)
Korhonen, H.; Niemelä, P.; Ham, M.; Mononen, J.; Haapanen, K.
Citation
Finsk Pälstidskrift, 1991, 25, 1, pp 12-14
Abstract

351 Scan Black ♂ and ♀ mink kits were weighed and measured at regular intervals from birth to pelting. There were significant differences between the sexes in body weight and length before and after weaning. At weaning, the body length of ♂♂ and ♀♀ was 54 and 63% resp. of that in Sep., and body...

Author(s)
Hansen, B. K.; Lohi, O.
Citation
Finsk Pälstidskrift, 1990, 24, 11, pp 252-253
Abstract

Data on 3337 piglets were analysed. Body weight at birth averaged 1.24 and 1.20 kg in ♂♂ and ♀♀ resp. At birth, ♂♂ averaged 38 g heavier than ♀♀, and at weaning ♀♀ were 450 g heavier than ♂♂. Year of birth and parity significantly affected body weight at all ages; the effect of season of birth was...

Author(s)
Chhabra, A. K.; Bhatia, S. S.; Sharma, N. K.
Citation
Indian Journal of Animal Sciences, 1989, 59, 2, pp 300-302
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

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