Buscar
Mostrando ítems 1-10 de 98
Chromatin and morphometry alterations of bovine sperm head after Percoll (TM) density gradient centrifugation
(Elsevier B.V., 2011-11-01)
The aim of this work was to assess the morphometry and chromatin integrity of bovine sperm head after a three layers discontinuous Percoll (TM) density gradient centrifugation. Frozen semen doses were obtained from six ...
Chromatin and morphometry alterations of bovine sperm head after Percoll (TM) density gradient centrifugation
(Elsevier B.V., 2011-11-01)
The aim of this work was to assess the morphometry and chromatin integrity of bovine sperm head after a three layers discontinuous Percoll (TM) density gradient centrifugation. Frozen semen doses were obtained from six ...
Evidence of a pro-apoptotic effect of specific antibodies in a bovine macrophage model of infection with Mycobacterium avium subsp. paratuberculosis
(Elsevier Science, 2016-01)
Mycobacterium avium subspecies paratuberculosis (MAP) is the causative agent of Johne's disease (JD), a chronic granulomatous enteritis in ruminants. Understanding the protective immune response following infection is ...
Genetic evaluation of IS900 partial sequence of Mycobacterium avium subsp. paratuberculosis Brazilian isolates from bovine milk
(Tropical Animal Health and Production, 2018)
Copy number variation regions in Nellore cattle: Evidences of environment adaptation
(2018-01-01)
The aim of the present study was to analyze the distribution of CNV regions (CNVRs) as well as to address hypothesis about the natural/artificial selection process in Nellore cattle. A total of 399,361 CNVs were identified, ...
Screening of biotechnical parameters for production of bovine inter-subspecies embryonic chimeras by the aggregation of tetraploid Bos indicus and diploid crossbred Bos taurus embryos
(2016-03-01)
The aggregation of a tetraploid zebu embryo (Bos indicus, a thermotolerant breed) with a diploid taurine embryo (Bos taurus, a thermosensitive breed) should create a complete taurine fetus, whose extra-embryonic components, ...
Mycobacterium avium subspecies paratuberculosis and bovine leukemia virus seroprevalence and associated risk factors in dairy herds in Minas Gerais state, Brazil
(Universidade Federal de Minas Gerais, Escola de Veterinária, 2021-05-05)
Mycobacterium avium subesp. paratuberculosis (MAP) e o vírus da leucemia bovina (BLV) são agentes que causam grandes perdas econômicas nos rebanhos. O objetivo deste estudo foi avaliar a situação epidemiológica da ...
Campylobacter fetus in Abomasal Fluid from Spontaneously Aborted Bovine and Ovine Fetuses
(Universidade Federal do Rio Grande do Sul, 2021)