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Mostrando ítems 1-8 de 8
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BOLA-DRB3 gene polymorphisms influence bovine leukaemia virus infection levels in Holstein and Holstein × Jersey crossbreed dairy cattle
Carignano, Hugo Adrian; Beribe, Maria Jose; Caffaro, María Eugenia; Amadio, Ariel; Nani, Juan Pablo; Gutierrez, Gerónimo; Alvarez, Irene; Trono, Karina Gabriela; Miretti, Marcos Mateo; Poli, Mario Andres (2017-05)Bovine leukemia virus (BLV) infections, causing persistent lymphocytosis and lethal lymphosarcoma in cattle, have reached high endemicity on dairy farms. We observed extensive inter-individual variation in the level of ... -
Generalized glycogenosis in Brahman-derived breeds: diagnosis and prevalence in Argentina
Caffaro, María Eugenia; Raschia, Maria Agustina; Amadio, Ariel; Poli, Mario Andres (Springer, 2019-08)Generalized glycogenosis is a lethal autosomal recessive disease caused by a deficient activity of the acidic 1,4-α-glucosidase enzyme and characterized by an accumulation of glycogen within lysosomes. Three mutations in ... -
Genome-wide scan for commons SNPs affecting bovine leukemia virus infection level in dairy cattle
Carignano, Hugo Adrian; Roldan, Dana Leticia; Beribe, Maria Jose; Raschia, Maria Agustina; Amadio, Ariel; Nani, Juan Pablo; Gutierrez, Gerónimo; Alvarez, Irene; Trono, Karina Gabriela; Poli, Mario Andres; Miretti, Marcos Mateo (2018-02-13)Background: Bovine leukemia virus (BLV) infection is omnipresent in dairy herds causing direct economic losses due to trade restrictions and lymphosarcoma-related deaths. Milk production drops and increase in the culling ... -
Identificación de variantes alélicas de genes candidatos involucrados en producción de leche en un rodeo de bovinos de raza Holando y cruzas Holando por Jersey
Raschia, Maria Agustina (Facultad de Ciencias Veterinarias, Universidad de Buenos Aires, 2015-07)Las razas bovinas Holando y Jersey son dos de las razas productoras de leche más importantes a nivel mundial y las principales en nuestro país. El objetivo del trabajo de tesis fue realizar un análisis exploratorio que ... -
Loci de caracteres cuantitativos para rasgos reproductivos en bovinos lecheros locales
Raschia, Maria Agustina; Maizon, Daniel Omar; Amadio, Ariel; Poli, Mario Andres (Sociedad Argentina de Genética, 2022-10)Introducción: La intensa selección para producción lechera junto con una consideración insuficiente de parámetros de fertilidad y salud, sumado a las correlaciones genéticas antagonistas o cercanas a cero entre caracteres ... -
Quantitative trait loci exploration and characterization of gestation length in Holstein cattle
Raschia, Maria Agustina; Maizon, Daniel Omar; Amadio, Ariel; Nani, Juan Pablo; Poli, Mario Andres (Elsevier, 2024-02)Gestation length (GL) is a moderately heritable trait in cattle with economic and management implications. This study aimed to characterize the gestation length of an Argentinian Holstein cattle population, understand ... -
Single nucleotide polymorphisms in candidate genes associated with milk yield in Argentinean Holstein and Holstein x Jersey cows
Raschia, Maria Agustina; Nani, Juan Pablo; Maizon, Daniel Omar; Beribe, Maria Jose; Amadio, Ariel; Poli, Mario Andres (2018-12)Research on loci influencing milk production traits of dairy cattle is one of the main topics of investigation in livestock. Many genomic regions and polymorphisms associated with dairy production have been reported ... -
Weighted single-step genome-wide association analyses for milk traits in Holstein and Holstein x Jersey crossbred dairy cattle
Raschia, Maria Agustina; Nani, Juan Pablo; Carignano, Hugo Adrian; Amadio, Ariel; Maizon, Daniel Omar; Poli, Mario Andres (Elsevier, 2020-12)The purpose of this study was to identify genomic regions explaining a major proportion of the genetic variance in milk production and milk fat and protein content on a commercial herd of Holstein and Holstein x Jersey ...