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Fine mapping of tick resistance QTL on BTA23 in Gyr x Holstein population. Author(s): MACHADO, M. A.; AZEVEDO, A. L. S.; GASPARINI, C.; BERNARDO, K. B.; REIS, D. R. de L.; PEIXOTO, M. G. C. D.; SILVA, M. V. G. B.; REGITANO, L. C. de A.; VERNEQUE, R. da S. The objective of this work was to fine map a QTL associated with tick resistance/susceptibility previously detected on BTA 23 in a Gyr x Holstein F2 population. In order to reduce the confidence inter... ... Repository: BDPA Publication year: 2011
El Gyr lechero "Made in Brazil". Author(s): LEDIC, I. L. Repository: BDPA Publication year: 2007
Strategies for single nucleotide polymorphism (SNP) genotyping to enhance genotype imputation in Gyr (Bos indicus) dairy cattle: Comparison of commercially available SNP chips. Author(s): BOISON, S. A.; SANTOS, D. J. A.; UTSONOMIYA, A. H. T.; CARVALHEIRO, R.; NEVES, H. H. R.; O'BRIEN, A. M. P.; GARCIA, J. F.; SÖLKNER, J.; SILVA, M. V. G. B. Genotype imputation is widely used as a cost-effective strategy in genomic evaluation of cattle. Key determinants of imputation accuracies, such as linkage disequilibrium patterns, marker densities, a... ... Repository: BDPA Publication year: 2015
Genome Wide Association Study for Calving Interval in Gyr Dairy Cattle. Author(s): MACHADO, M. A.; UTSUNOMIYA, A. T. H.; BOISON, S. A.; SANTOS, D. J. A. dos; UTSUNOMIYA, Y. T.; FONSECA, R. da; SÖLKNER, J.; GARCIA, J. F.; VERNEQUE, R. da S.; SILVA, M. V. G. B. Repository: BDPA Publication year: 2014
Energy requirements of Holstein, Gyr, and Holstein x Gyr crossbred heifers using the respirometry technique. Author(s): SILVESTRE, T.; FERREIRA, A. L.; MACHADO, F. S.; CAMPOS, M. M.; TOMICH, T. R.; PEREIRA, L. G. R.; RODRIGUES, P. H. M.; MARCONDES, M. I. We aimed to determine the energy requirements for maintenance and gain of 18 prepubertal dairy heifers of three breed compositions (BC; Holstein, Gyr, and Holstein × Gyr). Diets were formulated for ga... ... Repository: BDPA Publication year: 2022
Enteric methane emission by Holstein, Gyr and F1 Holstein-Gyr dairy heifers. Author(s): SILVESTRE, T.; PEREIRA, L. G. R.; RODRIGUES, P. H. M.; MACHADO, F. S.; TOMICH, T. R.; CAMPOS, M. M.; SANTOS, G. B.; VARGAS, M. W.; ALMEIDA, E. M.; MATA E SILVA, B. C. Repository: BDPA Publication year: 2014
Descriptive analysis of copy number variation regions in a population of dairy Gyr cattle. Author(s): SILVA, M. V. G. B.; OLIVEIRA JUNIOR, G.; REY, F. S. B.; GIACHETTO, P. F.; MACHADO, M. A.; VERNEQUE, R. da S.; FERRAZ, J. B. S. The aim of this work was to investigate, based on a high density BovineHD SNP array, the abundance and distributions of CNVs and CNVR in a Gyr cattle population from Brazil. Genotype data of represent... ... Repository: BDPA Publication year: 2014
Estimation of genetic and phenotypic trends for dairy traits of Gyr and Guzerá breeds. Author(s): RANGEL, A. H. do N.; ARAÚJO, T. P. M.; LIMA, G. F. da C.; BORBA, L. H. F.; PEIXOTO, M. G. C. D.; LIMA JÚNIOR, D. M. de ABSTRACT Milk production has high economic importance in dairy cattle production systems, which justifies its inclusion in genetic breeding programs. The objective of this study was to evaluate the ge... ... Repository: BDPA Publication year: 2018
Genetic parameters of milk production in gyr dairy cattle (Bos indicus). Author(s): PACHECO, G. B.; NASCIMENTO, G. C.; PINHEIRO, R.; TEIXEIRA, R. B.; VERNEQUE, R. da S.; PANETTO, J. C. do C. An alternative to the adoption of 305-day milk yield during lactation to evaluate bovine genetics is the use of test-day milk yield (TDMY) information. This procedure has been used in the main cattle... ... Repository: BDPA Publication year: 2015
Milk yield persistency in brazilian gyr cattle based on a random regression model. Author(s): PEREIRA, R. J.; VERNEQUE, R. da S.; LOPES, P. S.; SANTANA JUNIOR, M. L.; LAGROTTA, M. R.; TORRES, R. A.; VERCESI FILHO, A. E.; MACHADO, M. A. With the objective of evaluating measures of milk yield persistency, 27,000 test-day milk yield records from 3362 first lactations of Brazilian Gyr cows that calved between 1990 and 2007 were analyzed... ... Repository: BDPA Publication year: 2012

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