The research has been accomplished in the Department of Anatomy and Physiology of the Lithuanian Veterinary Academy, in the Research Center of Digestive Physiology and Pathology and in the Center of Practical Training and Experiments of the Lithuanian Veterinary Academy in 2005 - 2007. The study consists of 50 pages. There are 3 tables, 13 pictures and 5 appendixes presented in it. In order to achieve high cattle productivity it is very important to establish optimal conditions for neonate calves breeding, to stimulate development of digestive tract and activate development of useful microflora, especially on the first month of calves breeding. The purpose of this work was to determine the influence of probiotic “Yeasture” to growth, wellness and microflora of the digestive tract of neonate calves, feeding probiotic to the calves on the first month of age. The experiment has been accomplished on Lithuanian-White neonate calves throughout the indoor period from November to January. Two groups of neonate calves were organized: control group (n=8) and experimental group (n=8). Calves of the experimental group were made to drink a preventive dose of the probiotic “Yeasture” every day, id est 5 g per day according to recommendations of the manufacturer. When the neonate calves were fed with the probiotic “Yeasture” supplement for the first month of age, their daily overweight had increased averagely by 16.1 percent. Probiotic “Yeasture” had no influence to daily overweight on the... [to full text]

Šio darbo tikslas – nustatyti skirtingų laktobacilų antagonistines savybes ir atsparumą antibiotikams. Darbo tikslo įgyvendinimui iškelti sekantys uždaviniai: Išgryninti jogurtuose esančias laktobacilas – Lactobacillus acidophilus, Lactobacillus bulgaricus, Lactobacillus rhamnosus. Ištirti laktobacilų Lactobacillus acidophilus, Lactobacillus bulgaricus, Lactobacillus rhamnosus, Lactobacillus plantarum ir Lactobacillus fermentum antagonistines savybes Salmonella enteritidis, Staphylococcus aureus, Enterococcus faecalis, Escherichia coli ir Proteus mirabilis bakterijoms. Ištirti laktobacilų Lactobacillus acidophilus, Lactobacillus bulgaricus, Lactobacillus rhamnosus, Lactobacillus plantarum ir Lactobacillus fermentum atsparumą antibiotikams. Palyginti Lactobacillus plantarum ir Lactobacillus fermentum antagonistines savybes prieš liofilizaciją ir po liofilizacijos praėjus 10 metų. Tirtos pienarūgščių mikroorganizmų Lactobacillus acidophilus, Lactobacillus bulgaricus, Lactobacillus rhamnosus, Lactobacillus plantarum ir Lactobacillus fermentum antagonistinis aktyvumas Salmonella enteritidis, Staphylococcus aureus, Enterococcus faecalis, Escherichia coli ir Proteus mirabilis bakterijų atžvilgiu, bei atsparumas antibiotikams. Atlikus tyrimus nustatyta, kad Lactobacillus acidophilus, Lactobacillus bulgaricus, Lactobacillus rhamnosus, Lactobacillus plantarum ir Lactobacillus fermentum kultūros pasižymi antagonistiniu aktyvumu Salmonella enteritidis, Staphylococcus aureus... [toliau žr. visą tekstą] / The aim of this work is to identify antagonistic characteristics of different lactobacillus as well as notify the resistance to antibiotics. In order for this work to succeed, the following tasks were adressed: Purification the following lactobacillus in yogurts – Lactobacillus acidophilus, Lactobacillus bulgaricus, Lactobacillus rhamnosus. Examination the antagonistic characteristic of Lactobacillus acidophilus, Lactobacillus bulgaricus, Lactobacillus rhamnosus, Lactobacillus plantarum and Lactobacillus fermentum for bacteria Salmonella enteritidis, Staphylococcus aureus, Enterococcus faecalis, Escherichia coli and Proteus mirabilis. Examination of resistance to antibiotics of Lactobacillus acidophilus, Lactobacillus bulgaricus, Lactobacillus rhamnosus, Lactobacillus plantarum and Lactobacillus fermentum. Comparison in antagonistic characteristics of Lactobacillus plantarum and Lactobacillus fermentum before lyophilization and after 10 years of lyophilization. The characteristics of the following lactic microorganisms have been examined: antagonistic activeness of Lactobacillus acidophilus, Lactobacillus bulgaricus, Lactobacillus rhamnosus, Lactobacillus plantarum and Lactobacillus fermentum in terms of resistance to antibiotics in Salmonella enteritidis, Staphylococcus aureus, Enterococcus faecalis, Escherichia coli and Proteus mirabilis bacteria. Performed examinations revealed that: Lactobacillus acidophillus, Lactobacillus bulgaricus, Lactobacillus rhamnosus... [to full text]