Browsing 3. Doktoritööd by Title
Now showing items 1-20 of 22
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Alterations of Epidermal Cells Functional Activity in Fish Due to Infection
(2012-01-10)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 ... -
Bacillus smithii TBMI12 as a potential probiotic feed additive
(2014-10-27)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
(2010-05-06)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
(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
(2014-01-08)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
(2014-08-25)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 ... -
Diagnosis, Epidemiology and Control of Bovine Coccidioses in Estonia
(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
(2014-05-23)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
(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, impact on herd health and control of bovine herpesvirus 1 in Estonian dairy cattle herds
(2012-11-07)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 ... -
Genetic and modelling aspects of milk coagulation properties in dairy cattle
(2013-05-27)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 ... -
Insulin resistance in dairy cows in reference to breed, body condition and milk yield
(2012-11-12)Pancreatic insulin secretion and tissues resistance to insulin are considered to be essential factors controlling glucose and lipid metabolism post partum. In addition to genetic factors, body condition affects the development ... -
Management and animal effects on the behaviour of lactating dairy buffaloes (Bubalus bubalis) and cows (Bos taurus) when entering the milking parlour
(2016-08-24)Dairy cows entrance order to the milking parlour is quite stable, but less is known the reasons influencing it. Buffaloes are difficult to milk, means to improve their ease of milking are of importance. Studies on the ... -
Marker-based Genetic Characterization of the Estonian Dairy Cattle Breeds
(2012-02-21)There are three dairy cattle breeds in Estonia that differ in their demographic history, phenotypic characteristics and current census sizes. The aim of the study was to characterize these breeds on the basis of genetic ... -
Model System for Monitoring the Resources of Animal By-products in Estonian Meat Industry and Elaboration of an Integrated Method for Protein Extraction
(Eesti Maaülikool, 2016)This study offers new knowledge concerning key ABP processing issues in the Estonian meat industry. Three specific topics are elaborated herein: a) a model of a monitoring system that makes it possible to assess the value ... -
Molecular Composition of The Contractile Apparatus of Skeletal Muscle of Akhal-Teke Horses - According to Age, Gender and Geneteic Background
(2014-10-24)1.The gluteus medius muscle of Akhal-Teke horses consists of a relatively high percentage of MyHC I and IIa isoforms, which together compose about 50% of MyHC. These are the main isoform types in the muscle fi bres with ... -
Nitrate and Nitrite Contents in Vegetables and Vegetable-based Foods, Transformation Dynamics and Dietary Intake
(2010-09-02)Present research is the first complex study in Estonia about nitrate and nitrite contents, which comprises the complete vegetable production chain from raw material to final product. In accordance with data from literature, ... -
Prostaglandin F2α and Parenteral Antibiotics as a Treatment of Postpartum Metritis and Endometritis, and Possible Relation of Acute Phase Proteins With Subsequent Fertility in Dairy Cows
(2015-02-25)This study was designed to get additional knowledge about the treatment of postpartum (PP) clinical metritis (CM) and clinical endometritis (CE), using a combination of systemic antibiotics with administration of prostaglandin ... -
Relationships Between Energy Balance Estimates, Luteal Activity and Fertility in Estonian Holstein Cows
(2009-05-15)Eestis on viimase kümnendi jooksul toimunud lehmade aretuses, söötmises ja pidamises suured muutused, mille tulemusel on nii piimatoodang kui ka holsteini tõu osatähtsus pidevalt kasvanud; holsteini tõugu lehmade 305 päeva ...