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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

Birthweight (BW) and pre-weaning average daily gain records of Caracu cattle (numbering to 4212 and 3844 records, respectively) were studied to evaluate the effect of cytoplasmic lineage on these parameters. The cytoplasmic lineage of each cow was traced back to the first female ancestor in the...

Author(s)
Pelicioni, L. C.; Queiroz, S. A. de
Publisher
Sociedade Brasileira de Zootecnia, Viçosa, Brazil
Citation
Revista Brasileira de Zootecnia, 2001, 30, 1, pp 101-108
Abstract

Variance components were estimated using data from Brahman (4497 calves from 266 sires and 1311 dams) cattle at ANSA Genetics, Philippines. The traits were birth weight (BW), preweaning average daily gain (PRADG), preweaning gain (PRGAIN), and adjusted 210-day weaning weight (ADWW). The phenotypic...

Author(s)
Salces, J.; Bondoc, O. L.; Lambio, A. L.; Supandgco, E. P.; Laude, R. P.; Perilla, M. V.
Publisher
Institut National de la Recherche Agronomique (INRA), Montpellier, France
Citation
Proceedings of the 7th World Congress on Genetics Applied to Livestock Production, Montpellier, France, August, 2002. Session 2, 2002, pp 0-3
Abstract

Records of birth (BWT), weaning (WWT) weights, and average daily gain (ADG) of 1184 male and female Friesian calves, which were progeny of 49 sires born from 1990 to 2000 were used. Data were statistically analysed using the computer programme of Harvey. Heritability estimates were 0.241, 0.279,...

Author(s)
Oudah, E. Z. M.
Publisher
Institut National de la Recherche Agronomique (INRA), Montpellier, France
Citation
Proceedings of the 7th World Congress on Genetics Applied to Livestock Production, Montpellier, France, August, 2002. Session 2, 2002, pp 0-4
Abstract

This study estimated the genetic parameters for preweaning average daily gain (ADG) and the number of days to gain 160 kg (D160) in Nelore cattle. 39 409 calf records from 855 sires, 19 627 dams, and 1930 contemporary groups were used. Heritability estimates (restricted maximum likelihood -...

Author(s)
Peña, C. D. O.; Carvalheiro, R.; Queiroz, S. A. de; Fries, L. A.
Publisher
Institut National de la Recherche Agronomique (INRA), Montpellier, France
Citation
Proceedings of the 7th World Congress on Genetics Applied to Livestock Production, Montpellier, France, August, 2002. Session 2, 2002, pp 0-4
Abstract

The aim of this study was to evaluate selection criteria in Gyr [Gir] cattle based on the traits such as average daily gain from birth to weaning (ADG) and number of days to gain 160 kg from birth to weaning (D160). Data from the Brazilian Association of Zebu Breeders of 16 592 calves, 507 sires,...

Author(s)
Muniz, C. A. S. D.; Queiroz, S. A.; Carvalheiro, R.; Fries, L. A.
Publisher
Institut National de la Recherche Agronomique (INRA), Montpellier, France
Citation
Proceedings of the 7th World Congress on Genetics Applied to Livestock Production, Montpellier, France, August, 2002. Session 2, 2002, pp 0-4
Abstract

Data on 4112 Muzaffarnagari sheep, maintained at the Central Institute for Research on Goats, Makhdoom, Mathura, India, and recorded between 1976 and 1999, were analysed to study the growth-related traits and their genetic control. The average weights at birth, and at 12 months of age were 3.1±0.2...

Author(s)
Mandal, A.; Pant, K. P.; Nandy, D. K.; Rout, P. K.; Roy, R.
Publisher
Kluwer Academic Publishers, Dordrecht, Netherlands
Citation
Tropical Animal Health and Production, 2003, 35, 3, pp 271-284
Abstract

Data on the preweaning daily weight gain of 3976 lambs from 89 rams kept at the Livestock Production Research Institute, Bahadurnagar, Okara, Pakistan, for the period 1960-90 were analysed by Harvey's Mixed Model Least Squares and Maximum Likelihood Computer Programme (LSMLMW, 1990). The average...

Author(s)
Babar, M. E.; Ahmad, Z.; Ahmad, S.
Publisher
NWFP Agricultural University, Peshawar, Pakistan
Citation
Sarhad Journal of Agriculture, 2004, 20, 2, pp 175-177
Abstract

The aim of this study was to investigate the influence of the covariance between maternal and direct effects on the estimates of genetic parameters and on the predictions of breeding values for days to gain 160 kg in the preweaning period (D160). The analysis were carried out using the MTDFREML...

Author(s)
Malhado, C. H. M.; Lôbo, R. N. B.; Martins Filho, R.; Facó, O.; Azevedo, D. M. M. R.
Publisher
Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São Paulo, Brazil
Citation
Brazilian Journal of Veterinary Research and Animal Science, 2004, 41, 1, pp 14-19
Abstract

Records of birth weight (BWT) and weaning weight (WWT) of 1184 Friesian cattle calves (591 male and 593 female), progeny of 49 sires during the period from 1990 to 2000 were analysed. The objective of this study was to construct selection indices for selecting Friesian calves on the basis of...

Author(s)
Oudah, E. Z. M.; El-Awady, H. G.
Publisher
ANSInet, Asian Network for Scientific Information, Faisalabad, Pakistan
Citation
Pakistan Journal of Biological Sciences, 2006, 9, 4, pp 723-728

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