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Abstract

The project was set up to investigate the best types of crossbred for local conditions, the heritability of performance traits, and nutritional requirements. The intention is to use the results in the development of a new breed for Thailand. In April 1965 there were 273 pigs of 11 types in the...

Author(s)
RATARASAIN, S.; KOSHI, J. H.
Citation
Kasetsart Journal, 1965, 5, pp 140-153
Abstract

For 19 cows, av. milk yield over the first 3 lactations was significantly correlated (0.429) with their food conversion from birth to 1 mth of age. The h2 of food conversion, calculated from data on 81 parent-offspring pairs, was 0.37.

Author(s)
Chernyakova, N. E.
Citation
Trudy. Khar'kovskii Sel'skokhozyaistvennyi Institut, 1972, 165, pp 14-16, 108
Abstract

Selection for maternal performance was practiced in a synthetic population of mice formed by intermating 6 inbred strains. Average individual birth weight adjusted to 8 offspring/litter was the trait used. Estimates of h2 and genetic correlations were obtained by both the parent-offspring and the...

Author(s)
Roy, G. L.
Citation
Dissertation Abstracts International, B, 1974, 34, 10, pp 4847
Abstract

Data on 725 calves sired by 19 Brahman bulls were analysed using a least-squares analysis of variance. Data were adjusted to a constant dam age. Males were heavier than females (P<0.01). Estimates of h2 were 0.47 plus or minus 0.18 and 0.50 plus or minus 0.19 for weaning weight and preweaning...

Author(s)
Hinojosa C., A.; Varela-Alvarez, H.
Citation
Agrociencia, 1974, 16, pp 111-116
Abstract

For 14 generations, 3 lines were selected for increased 21-day weight (WWL), and 3 lines for increased av. daily weight gain from 21 to 42 days of age (ADGL); 2 unselected lines served as controls (CL). The 8 lines were initiated from a base population synthesised from a 4-way cross among 1...

Author(s)
Frahm, R. R.; Brown, M. A.
Citation
Journal of Animal Science, 1975, 41, 1, pp 33-42
Abstract

588 females from 98 dams were reared in litters of 8 or 14 mice. 123 females were killed at 10 days of pregnancy, and 325 were allowed to litter. Body weights at 12, 21 and 42 days were positively correlated with each other and with reproductive traits; they were consistently larger (P <0.01)...

Author(s)
Nelson, R. E.; Robinson, O. W.
Citation
Journal of Animal Science, 1976, 42, 4, pp 824-830
Abstract

Author(s)
Gaines, F. P.; Vleck, L. D. van
Citation
Carnivore Genetics Newsletter, 1976, 3, 2, pp 75-79
Abstract

Activities of transaminases, dehydrogenases, cholinesterase and acid phosphatase were determined for 49 Caucasian, Precoce X Caucasian, and Romney-Marsh X Caucasian lambs at 20 days and at 2 and 4 1/2 mth of age. The correlations of daily gain from birth to weaning with the activity of...

Author(s)
Kazanovskii, S. A.; Anfinogenova, T. A.
Publisher
Kolos., Moscow, USSR
Citation
Voprosy genetiki i selektsii v ovtsevodstve., 1976, pp 159-162
Abstract

For 105 male 3/4 Friesian-1/4 Guzerat calves born in 1968-73, 90-day body weight averaged 84.9 kg, and that of 120 females averaged 88.1 kg. Body weight at 90 days was significantly affected by sex of calf, age of dam and birth weight. The h2 of 90-day weight was 0.57. The weight gain from birth to ...

Author(s)
Duraes, M. C.; Carneiro, G. C.; Sampaio, I. B. M.; Scarci, J. C.; Torres, J. R.; Lobato Neto, J.; Silva, M. A.; Gomes, F. R.
Citation
Memoria, Asociacion Latinoamericana de Produccion Animal, 1976, 11, pp 32-33
Abstract

Data on 502 purebred Brahmans and crosses of Brahman and Charolais with indigenous zebus were analysed. For Brahman, 1/2 Brahman, 3/4 Brahman, 7/8 Brahman, 15/16 Brahman, 31/32 Brahman, 1/2 Charolais and 3/4 Charolais calves, birth weight averaged 29.7, 36.3, 30.4, 31.6, 30.4, 29.3, 32.9 and 35.0...

Author(s)
Velarde, L.; Carlos, R.; Romero, R. F.
Citation
Memoria, Asociacion Latinoamericana de Produccion Animal, 1976, 11, pp 29

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