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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
AbstractFull Text

The objective of this work was to study "days for a specific weight" traits in Nelore breeding programs comparing them with traditional traits such as average daily weight gain. Thus, this study aimed to estimate genetic parameters for days to reach 180 kg (D180), days to reach 300 kg (D300),...

Author(s)
Santana, B. F.; Fonseca, R. da; Manuel, M.; Mamani, G. C. M.; Eler, J. P.; Ferraz, J. B. S.
Publisher
Escola de Medicina Veterinária, Universidade Federal da Bahia, Bahia, Brazil
Citation
Revista Brasileira de Saude e Producao Animal, 2017, 18, 2, pp 260-268
AbstractFull Text

Data on 1763 Mecheri sheep, maintained at the Mecheri Sheep Research Station, Pottaneri, Salem, south India, and recorded between 1991 and 2006, were analysed to study the growth related traits and their genetic control. The average weights at birth and at 12 months of age were 2.25±0.01 and...

Author(s)
Jeichitra, V.; Rajendran, R.; Karunanithi, K.; Rahumathulla, P. S.
Publisher
Agricultural Research Communication Centre, Karnal, India
Citation
Indian Journal of Animal Research, 2016, 50, 3, pp 430-433
Abstract

Most breeding companies evaluate economically important traits in males and females as a single trait, assuming genetic correlation of 1 between phenotypes measured in both sexes. This assumption may not be true because genes may be differently expressed in males and females. We estimated genetic...

Author(s)
Heide, E. M. M. van der; Lourenco, D. A. L.; Chen, C. Y.; Herring, W. O.; Sapp, R. L.; Moser, D. W.; Tsuruta, S.; Masuda, Y.; Ducro, B. J.; Misztal, I.
Publisher
American Society of Animal Science, Savoy, USA
Citation
Journal of Animal Science, 2016, 94, 9, pp 3684-3692
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
AbstractFull Text

The data on 6772 growth records of Sirohi goats maintained at All India Coordinated Research Project on Sirohi goat at Livestock Research Station, Vallabhnagar, Udaipur, India, and recorded between 2004 and 2016, were analysed to study the growth related traits and their genetic control. The...

Author(s)
Gautam, L.; Nagda, R. A. K.; Waiz, H. A.
Publisher
Islamic Azad University, Rasht, Iran
Citation
Iranian Journal of Applied Animal Science, 2019, 9, 1, pp 115-124
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

The aim of this study was to evaluate non-genetic factors and genetic parameters of the growth traits in Sumba Ongole (SO) cattle. The growth traits were consisted of birth weight (BW), weaning weight (WW), yearling weight (YW), average daily gain of pre-weaning (ADG1) and post-weaning (ADG2). Data ...

Author(s)
Putra, W. P. B.; Agung, P. P.; Said, S.
Publisher
Faculty of Animal Agriculture, Diponegoro University and Indonesian Society of Animal Agriculture, Semarang, Indonesia
Citation
Journal of the Indonesian Tropical Animal Agriculture, 2018, 43, 2, pp 94-106
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

In this study 138,976 records of live weight between 60 to 610 days of age, from 27,327 Nellore cattle breed, from herds in Mato Grosso State were used in order to describe the genetic variability and to estimate genetic parameters for the live weight at different ages, using random regression...

Author(s)
Araújo, C. V.; Nehls, W. F.; Laureano, M. M. M.; Zubler, R.; Lôbo, R. B.; Figueiredo, L. G. G.; Araújo, S. I.; Bezerra, L. A. F.
Publisher
FEPMVZ - Editora, Belo Horizonte, Brazil
Citation
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2016, 68, 2, pp 448-456

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