Browsing 3. Doktoritööd by Title
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Alterations of Epidermal Cells Functional Activity in Fish Due to Infection
(Eesti Maaülikool, 2012)Previous results have suggested that epidermal club cells have a generic role in response to injury and that they display intense phagocytic activity, having an anti-parasitic function in the host. The presently reported ... -
Antimicrobial Resistance of Escherichia Coli and Enterococci Isolated From Swine, Cattle and Dogs and Mastitis Pathogens Isolates in Estonia in 2006-2015
(Eesti Maaülikool, 2019)Antimicrobial resistance has been a global emerging threat in both human and veterinary medicine during last two decades. Antimicrobial resistance as a global problem needs to be handled on national, regional and ... -
Bacillus smithii TBMI12 as a potential probiotic feed additive
(Eesti Maaülikool, 2014)The purpose of the thesis was to investigate the potential of Bacillus smithii strain TBMI12 as a probiotic feed additive. For that safety, colonization, tolerance and challenge studies were performed with mice and ... -
Campylobacter spp. and Listeria monocytogenes in poultry products in Estonia
(Eesti Maaülikool, 2016)Campylobacteriosis, caused by thermotolerant Campylobacter species, is continued to be one of the most commonly reported zoonosis in humans in the European Union, and Campylobacter is recognized as the most common causative ... -
Campylobacter spp. in Estonian Broiler Chicken Production Chain and the Co Effect of Pro- and Prebiotics on the Campylobacter spp. Strains in vitro
(Eesti Maaülikool, 2010)Termofiilsed kampülobakterid on sagedased akuutse gastroenteriidi tekitajad inimestel. Kampülobakterenteriiti haigestumise peamisteks põhjusteks on ebapiisavalt kuumtöödeldud või kuumtöötluse järgselt kampülobakteritega ... -
Campylobacter spp. in Poultry and Raw Poultry Meat Products in Estonia With Special Reference to Subtyping and Antimicrobial Susceptibility
(Eesti Maaülikool, 2008)Kampülobakterid on üle maailma levinud nii loomade kui inimeste populatsioonis. Kuigi patogeeni ülekande teatud aspektid on seniajani teadmata, on toimunud suur edasiminek nende reservuaaride ja infektsiooni üldise leviku ... -
Clinical mastitis in Estonia: diagnosis, treatment efficacy and antimicrobial resistance of pathogens in Estonia
(Eesti Maaülikool, 2014)Mastitis is a most common bovine disease, causing a large economic impact on dairy industry, due to increased treatment cost, decreased milk quality and unnecessary culling of dairy cows. The primary objective of present ... -
Comparative Morphology of European Elk and Cattle Pelves From the Perspective of Calving
(Eesti Maaülikool, 2014)According to the anatomical literature, the osseous pelvis demarcates the pelvic cavity by the paired iliac, ischial, and pubic bones, as well as by the single sacral bone, as well as the first coccygeal vertebra. The ... -
Contribution to the diagnosis and prognosis of canine cardiac disease through electrodiagnostics and diagnostic imaging
(Eesti Maaülikool, 2020)Cardiomyopathy is defined as the heart muscle disease, leading to myocardial dysfunction. The World Health Organisation (WHO) classification includes dilated, hypertrophic, restrictive, arrhythmogenic right ventricular ... -
Diagnosis, Epidemiology and Control of Bovine Coccidioses in Estonia
(Eesti Maaülikool, 2009)Koktsiidid on ainuraksed parasiidid, kes tabandavad paljude imetajate soolerakke. Kõige tähtsamad veistel parasiteerivad koktsiidiliigid kuuluvad perekondadesse Eimeria ja Cryptosporidium. Need parasiidid põhjustavad ... -
Effect of crude glycerol feeding on feed intake, lactational performance and metabolic status of dairy cows
(Eesti Maaülikool, 2014)Nowadays, the majority of glycerol, used as an essential primary good for the pharmaceutical, cosmetic, food and other industries, is becoming available as a byproduct from biodiesel manufacture. The rapid growth of the ... -
Effect of Milk Protein Composition and Genetic Polymorphism on Milk Rennet Coagulation Properties
(Eesti Maaülikool, 2008)Piimal, millest valmistatakse juustu, peavad lisaks muudele kvaliteedinäitajatele olema head laapumisomadused (lühike laapumisaeg ja tugev kalgend), sest halvasti kalgenduvast piimast ei lähe osa kaseiini juustu koostisse, ... -
Epidemiology of African swine fever in Estonia and characterization of one virus strain
(Eesti Maaülikool, 2021)African swine fever (ASF) is an OIE-listed, dangerous viral disease of pigs, which has a devastating impact on animal health and the pig industry in many countries worldwide. During the period 2014–2020, ASF has been the ... -
Epidemiology of Mycoplasma bovis intramammary infection in dairy herds
(Eesti Maaülikool, 2020)The aim of the thesis was to identify the within-herd prevalence of M. bovis IMI in Estonian dairy herds and analyse the associations between M. bovis IMI and cow milk yield and milk quality. In addition, the aim was to ... -
Epidemiology, impact on herd health and control of bovine herpesvirus 1 in Estonian dairy cattle herds
(Eesti Maaülikool, 2012)The objective of the present doctoral thesis was to assess the herd-level and within-herd prevalence of bovine herpesvirus 1 (BHV-1) infection in Estonian dairy cattle and estimate the sensitivity and specificity of the ... -
Evaluation of a fixed-dose combination of butorphanol-azaperone-medetomidine (BAM) for chemical immobilisation of African lion, blesbok, and cheetah
(Eesti Maaülikool, 2020)Chemical immobilisation of wild animals is one of the most challenging fields of veterinary anaesthesia. The procedure must be safe for both animals and humans. Too light plane of anaesthesia can result in sudden unexpected ... -
Expression of BMP and Pax Proteins in the Central Nervous System of Human and Rat Embryos at Early Stages of Development
(Eesti Maaülikool, 2017)The roles of BMP and Pax in the embryonic development have been extensively studied in recent years and the formation of the neural tube is usually described as a self-evident process, but formation of nervous system in ... -
Factors Influencing the Quality of Frozen/Thawed Semen from Estonian Holstein AI Bulls, and Relationships between Semen Quality Parameters and in vivo Fertility
(Eesti Maaülikool, 2019)At present, dairy farming is definitely the most profitable sector of Estonia’s cattle industry. The effectiveness of milk production is dependent not only on the availability of high-quality genetic material but also on ... -
Genetic and modelling aspects of milk coagulation properties in dairy cattle
(Eesti Maaülikool, 2013)Milk coagulation properties (milk coagulation time and curd firmness) are of great importance for the cheese industry because of their influence on cheese outcome and quality. This thesis focuses on possibilities for the ... -
Impact of Gastrointestinal Protozoan Infections on the Acute Phase Response in Neonatal Ruminants
(Eesti Maaülikool, 2019)After birth, neonatal ruminants go through crucial and sensitive period of rapid development and growth. During this period, they may interact with variety of microorganisms found in the surrounding environment. It would ...