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Abstract

When the environment on which the animals are raised is very diverse, selecting the best sires for different environments may require the use of models that account for genotype by environment interaction (G × E). The main objective of this study was to evaluate the existence of G × E for yearling...

Author(s)
Oliveira, D. P.; Lourenco, D. A. L.; Tsuruta, S.; Misztal, I.; Santos, D. J. A.; Araújo Neto, F. R. de; Aspilcueta-Borquis, R. R.; Baldi, F.; Carvalheiro, R.; Camargo, G. M. F. de; Albuquerque, L. G.; Tonhati, H.
Publisher
American Society of Animal Science, Savoy, USA
Citation
Journal of Animal Science, 2018, 96, 1, pp 27-34
Abstract

Background: Meat tenderness is the consumer's most preferred sensory attribute. This trait is affected by a number of factors, including genotype, age, animal sex, and pre- and post-slaughter management. In view of the high percentage of Zebu genes in the Brazilian cattle population, mainly Nellore ...

Author(s)
Fonseca, L. F. S.; Gimenez, D. F. J.; Silva, D. B. dos S.; Barthelson, R.; Baldi, F.; Ferro, J. A.; Albuquerque, L. G.
Publisher
BioMed Central Ltd, London, UK
Citation
BMC Genomics, 2017, 18, 945, pp (4 December 2017)
Abstract

The use of controlled mating or artificial insemination is impracticable in the case of large herds, mainly because of labour costs and the need to delimit areas during the breeding period. However, the exclusion of information from animals with uncertain paternity reduces genetic progress. The...

Author(s)
Shiotsuki, L.; Cardoso, F. F.; Albuquerque, L. G.
Publisher
Wiley, Berlin, Germany
Citation
Journal of Animal Breeding and Genetics, 2018, 135, 2, pp 116-123
Abstract

The objective of the present study was to estimate genetic parameters for skin thickness (ST) and postweaning weight gain (PWG550) in Nellore cattle. Records were obtained from 152,392 Nellore animals born between 2001 and 2011. ST was measured in the posterior region of the animal's scapula with a ...

Author(s)
Maiorano, A. M.; Oliveira, M. C. S.; Cyrillo, J. N. S. G.; Albuquerque, L. G.; Curi, R. A.; Silva, J. A.
Publisher
FUNPEC, Brazil
Citation
Genetics and Molecular Research, 2016, 15, 1, pp 15017124
Abstract

The objective of this study was to estimate genetic parameters for carcass and meat quality traits, as well as their genetic correlations using pedigree and genomic information. A total of 3,716; 3,702; 3,439; 3,705; and 3,714 records of 12th-13th rib LM area (LMA), backfat thickness (BF), HCW,...

Author(s)
Gordo, D. G. M.; Espigolan, R.; Bresolin, T.; Fernandes Júnior, G. A.; Magalhães, A. F. B.; Braz, C. U.; Fernandes, W. B.; Baldi, F.; Albuquerque, L. G.
Publisher
Oxford University Press, Cary, USA
Citation
Journal of Animal Science, 2018, 96, 9, pp 3558-3564
Abstract

The objective of the present study was to estimate genetic parameters for stayability at 60 months of age (STAY60) and its association with first lactation cumulative milk yield (P305), age at first calving (AFC), and first calving interval (FCI), in order to adopt these traits as selection...

Author(s)
Silva, R. M. O.; Boligon, A. A.; Fernandes, A. R.; Vercesi Filho, A. E.; El-Faro, L.; Tonhati, H.; Albuquerque, L. G.; Fraga, A. B.
Publisher
FUNPEC, Brazil
Citation
Genetics and Molecular Research, 2016, 15, 1, pp 15016958
Abstract

Subcutaneous fat deposition measured as backfat thickness (BFT) increases protection for the bovine carcass during cooling, conferring to BFT an important characteristic for the meat industry. To study the influence of BFT on meat quality traits of Nellore bulls (Bos indicus), data from 1652...

Author(s)
Baldassini, W. A.; Chardulo, L. A. L.; Silva, J. A. V.; Malheiros, J. M.; Dias, V. A. D.; Espigolan, R.; Baldi, F. S.; Albuquerque, L. G.; Fernandes, T. T.; Padilha, P. M.
Publisher
CSIRO, Collingwood, Australia
Citation
Animal Production Science, 2017, 57, 2, pp 363-370
Abstract

Animal feeding is the most important economic component of beef production systems. Selection for feed efficiency has not been effective mainly due to difficult and high costs to obtain the phenotypes. The application of genomic selection using SNP can decrease the cost of animal evaluation as well ...

Author(s)
Silva, R. M. O.; Fragomeni, B. O.; Lourenco, D. A. L.; Magalhães, A. F. B.; Irano, N.; Carvalheiro, R.; Canesin, R. C.; Mercadante, M. E. Z.; Boligon, A. A.; Baldi, F. S.; Misztal, I.; Albuquerque, L. G.
Publisher
American Society of Animal Science, Savoy, USA
Citation
Journal of Animal Science, 2016, 94, 9, pp 3613-3623
Abstract

The aim of the present study was to compare a model assuming unknown paternity and a model using genetic grouping to indicate the most adequate statistical procedure for the estimation of breeding values for animals with uncertain paternity. After data consistency, 62,212 Nellore animals, offspring ...

Author(s)
Shiotsuki, L.; Cardoso, F. F.; Silva, J. A. II. V.; Albuquerque, L. G.
Publisher
American Society of Animal Science, Savoy, USA
Citation
Journal of Animal Science, 2013, 91, 11, pp 5135-5143
Abstract

The objective of this study was to estimate genetic parameters for carcass traits measured by ultrasound at yearling (Y) and 18 months of age (post-yearling, PY) in order to identify the most appropriate age for the measurement of these traits used for the selection of Nellore beef cattle. In...

Author(s)
Yokoo, M. J.; Lôbo, R. B.; Magnabosco, C. U.; Rosa, G. J. M.; Forni, S.; Sainz, R. D.; Albuquerque, L. G.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Livestock Science, 2015, 180, pp 34-40

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