Mostrando ítems 1-14 de 14
Casas Roqueta, Isabel (Fecha de defensa: 2010-07-08)
L'ús d'esperma criopreservada en la inseminació artificial (IA) d'espècies d'interès productiu permet un major control sanitari i la creació de bancs de germoplasma d'alt valor genètic, entre d'altres avantatges. En el ...
Briz González, Maria Dolors (Fecha de defensa: 1994-05-17)
El present treball analitza la morfologia espermàtica de l'ejaculat de Sus domesticus, la histologia del conducte epididimari i la qualitat de l'esperma epididimari. El material d'estudi prové de mascles reproductors porcins ...
Pascual Camps, Mònica (Fecha de defensa: 2003-05-23)
Una soca de Lactobacillus salivarius resistent a la rifampicina, CTC2197, es va assajar com a probiòtic en pollastres, estudiant la seva capacitat de prevenir la colonització de Salmonella enteritidis C-114 en pollastres. ...
Malagón Rodríguez, Marta (Fecha de defensa: 2019-12-13)
This thesis aims to develop a new non-invasive tool based on faecal bacterial markers for the early detection of colorectal cancer, which is capable of detecting precancerous lesions before the onset of clinical signs. ...
Noguerola Solà, Imma (Fecha de defensa: 2016-07-29)
This doctoral thesis studies the abundance, diversity, seasonal dynamics and activity of Epsilonproteobacteria in a meromictic basin of Lake Banyoles during three year cycles. We applied a complementary array of molecular ...
López Siles, Mireia (Fecha de defensa: 2016-01-25)
In this PhD thesis Faecalibacterium prausnitzii populations of patients with gut disease and healthy individuals have been characterized. First, isolates from healthy volunteers have been phenotypically characterised, ...
Sancho Badell, Sílvia (Fecha de defensa: 2002-12-18)
En el presente estudio se analizan los efectos de los fotoperiodos ambientales de otoño e invierno y los fotoperiodos experimentales de 24, 12 y 0 horas de luz artificial sobre la calidad del semen de machos reproductores ...
Sànchez Melsió, Alexandre (Fecha de defensa: 2015-06-05)
Nowadays, the combination of the autotrophic nitrification together with heterotrophic denitrification is the most common process for N-removal in the WWTPs. However, when the C:N ratio is low, this two-step process does ...
Perona Vico, Elisabet (Fecha de defensa: 2022-01-28)
Microbial electrosynthesis (MES) is engineered to use electric power and carbon dioxide (CO2) as the only energy and carbon sources in reductive bioelectrochemical processes for biosynthesis. This technology is conducted ...
Martínez Medina, Margarita (Fecha de defensa: 2009-12-22)
La malaltia de Crohn és una malaltia inflamatòria intestinal crònica d'etiologia encara desconeguda. Actualment es pensa que hi participen factors genètics i immunològics que confereixen una susceptibilitat a l'hoste, i ...
Argudo Fernández, Maria (Fecha de defensa: 2021-02-08)
This thesis shows how the metals of natural and anthropic origin change significantly the composition of the prokaryotic communities (mainly the composition of bacteria). The β-diversity is the most sensitive variable to ...
Miquel Cusachs, Josep Oriol (Fecha de defensa: 2021-12-17)
The gut microbiota (GM) plays a pivotal role in the maintenance of gut homeostasis, and the pathogenesis of inflammatory bowel disease (IBD) which includes Crohn's disease (CD) and ulcerative colitis (UC). The degree of ...
Marti Serrano, Elisabet (Fecha de defensa: 2014-03-07)
The overuse of antibiotics has led to the selection of resistant strains. This thesis investigated the occurrence of antibiotic resistance genes (ARGs) in aquatic microbial communities influenced by anthropogenic activities. ...
Boada Cahueñas, Ellana (Fecha de defensa: 2020-07-20)
Biogas is a highly recognized alternative to fossil fuels towards a sustainable energy production. Massive use of biogas depends on the removal of contaminants that may affect performance of processing equipment and energy ...