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Animal Science Database

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Abstract

The genetic parameters in growth traits in beef cattle and milk yield and fat percentage in dairy cattle were estimated utilizing the farming system research and extension approach to collect pedigree and management information. The results of the long-term study showed higher additive individual...

Author(s)
Sornthep, T.
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 25, 2002, pp 1-4
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

Objective - To determine incidence, risk factors, and heritability estimates of hind limb lameness caused by hip dysplasia in a birth cohort of Boxers. Animals - 1,733 Boxers from 325 litters. Procedure - Status of Boxers with respect to clinical signs of canine hip dysplasia (cCHD) was registered...

Author(s)
Hagen, M. A. E. van; Ducro, B. J.; Broek, J. van den; Knol, B. W.
Publisher
American Veterinary Medical Association, Schaumburg, USA
Citation
American Journal of Veterinary Research, 2005, 66, 2, pp 307-312
AbstractFull Text

A total 1905 first farrowing records of Landrace × Desi individual pigs were analyzed to study effect of various non genetic factors on different pre-weaning individual body weights and to estimate of breeding values of boars for weaning weight. The average least squares means for BW, 15dW, 28dW,...

Author(s)
Mondal, S. K.; Amit Kumar
Publisher
Agricultural Research Communication Centre, Karnal, India
Citation
Indian Journal of Animal Research, 2015, 49, 2, pp 273-275
AbstractFull Text

Reaction Norm (RN) is the study of genotype-environment interaction (G × E) that complies with alternative ways of genotypes within different environments. This study was carried out to verify G × E by a reaction norm model of weights at 120 (W120) and 210 (W210) days of age in Nellore cattle...

Author(s)
Ferreira, J. L.; Lopes, F. B.; Lira, T. S. de; Garcia, J. A. S.; Lôbo, R. B.; Sainz, R. D.
Publisher
Universidade Estadual de Londrina, Londrina, Brazil
Citation
Semina: Ciências Agrárias (Londrina), 2015, 36, 4, pp 2787-2797
AbstractFull Text

This study was carried out to investigate variance components, direct, maternal genetic parameters, estimated breeding values and factors affecting pre-weaning growth criteria of Romney sheep. Data were collected over the period from 2006 to 2012 with records of 4989 lambs descended from 76 rams...

Author(s)
Faid-Allah, E.; Ghoneim, E.; Ibrahim, A. H. M.
Publisher
Pusat Penelitian dan Pengembangan Peternakan, Bogor, Indonesia
Citation
Jurnal Ilmu Ternak dan Veteriner, 2016, 21, 2, pp 73-82
Abstract

The objective of this study was to estimate genetic parameters associated with lamb survival for preweaning mortality and mortality at birth. Records used (n = 62,113; 2000 to 2015) for this study were a subset of much larger dataset (n = 270,400) from 1950 to 2015 as a preliminary investigation of ...

Author(s)
Holland, P. W.; Hanna, L. L. H.; Vonnahme, K. A.; Reynolds, L. P.; Taylor, J. B.; Riley, D. G.
Publisher
American Society of Animal Science, Savoy, USA
Citation
Translational Animal Science, 2017, 1, Suppl. 1, pp 162-164
AbstractFull Text

Aim: The aim of this study was to estimate the heritability, genetic and phenotypic correlations, and the genetic trends for pre-weaning growth traits including the birth weight (BWT), weaning weight (WWT), pre-weaning daily gain (PWDG), and weaning age (WA) in Awassi lambs. Materials and Methods:...

Author(s)
Jawasreh, K.; Ismail, Z. B.; Iya, F.; Castañeda-Bustos, V. J.; Valencia-Posadas, M.
Publisher
Veterinary World, Rajkot, India
Citation
Veterinary World, 2018, 11, 2, pp 254-258
Abstract

This study was done inside an assignment that intended to break down options and strategies for the progression of a rabbit line by using two pure breeds (V-line (V), and Gabali (G)). Records of 448 packs delivered by 45 does and 16 bucks were utilized to estimate covariance, Heritability (h2),...

Author(s)
Rabie, T. S. K.; Nowier, A. M.; Abou-Zeid, A. E.; Khattab, A. S.
Publisher
Egyptian Poultry Science Association, Alexandria, Egypt
Citation
Egyptian Poultry Science Journal, 2019, 39, 2, pp 519-536

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