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ABSTRACT - In dairy farm animals, one the most important goal of the selection is the improvement of milk yield and composition. Several studies have demonstrated that the candidate genes of the kappa-casein (CSN3) and Beta- lactoglobulin (Beta-LG) are associated with milk yield, milk quality and health traits in dairy animals. Therefore the aim of this study was to detect polymorphisms in CSN3 and Beta-LG gene...
Tick resistance in cattle is mainly found in zebu (Bos indicus) animals, although it is also present in some taurine (B. taurus) breeds. In order to characterize functional genes involved in tick resistance/susceptibility in cattle, two cDNA libraries were generated using skin tissues of selected Holstein x Gyr animals. A total of 2700 high-quality reads from both resistant and susceptible cDNA were assembled i...
Whole-genome re-sequencing, alignment and annotation analyses were undertaken for 12 sires representing four important cattle breeds in Brazil: Guzerat (multi-purpose), Gyr, Girolando and Holstein (dairy production). A total of approximately 4.3 billion reads from an Illumina HiSeq 2000 sequencer generated for each animal 10.7 to 16.4-fold genome coverage. A total of 27,441,279 single nucleotide variations (SNV...
La historia existosa que la raza Girolando viene delineando al largo de su crecimiento se inicia con el registro oficial de la raza en 1996, por el Ministério da Agricultura en Brasil, viene siendo fuertemente impulsada por las iniciativas de mejoramiento genético realizadas por la Girolando y la Embrapa Ganado de Leche, tales como, la Prueba de Progenie, iniciada en 1997, y Programa de Mejoramiento Genético de...
Mastitis is an inflammatory response in the mammary gland caused by an influx of somatic cells, composed mainly of neutrophils, macrophages and lymphocytes. The speed and efficacy of the host?s immune response to the invasive pathogen affects the establishment, persistence and severity of the infection. To characterize the gene expression and response mechanism to infection by Streptococcus agalactiae (S. agala...
La historia existosa que la raza Girolando viene delineando al largo de su crecimiento se inicia con el registro oficial de la raza en 1996, por el Ministério da Agricultura en Brasil, viene siendo fuertemente impulsada por las iniciativas de mejoramiento genético realizadas por la Girolando y la Embrapa Ganado de Leche, tales como, la Prueba de Progenie, iniciada en 1997, y Programa de Mejoramiento Genético de...