This article includes the results of experimental investigations in order to assess the comparative immunological efficacy of different vaccines strains used in the immunization against infectious avian bronchitis. Currently, ...

The article includes the serological investigation about maternal and post vaccination level of specific antibodies titres against bronchitis diseases virus. For vaccination were used following strains: “H-120”, and “4/91”, ...

This paper presents a review of the histological modifications in lung on vaccinated chickens with “H-120” and “Ma5+Clon30” strains, administered by spray method. Were established that “H-120” vaccine strains against avian ...

Antibiotics are natural substances produced by the fungi or bacteria as a way of fighting against the pathogenic organisms. Unit now were identified many mechanisms by which bacteria develops their resistance to antibiotics. ...

The scientifica investigations reflected in this study presents the dynamic study of some immunobiological blood-type indices characteristic to immunobiological status at bovines some physiological groups during the gestation ...

In this scientific paper are revealed the investigations regarding some immunological aspects, characteristic to the cellular immunity at the new born calves at different age periods. The purpose of the research consists ...

The study of current researches presents interest due to the frequency of cases recorded in some samples from various internal abscesses of slaughtered pigs, the assessment of identified bacterial microflora species and ...

The scientific investigations revealed in this research present the study in dynamics of blood immunological indices characteristic to non-specific resistance at the neonatal calves in different age periods. In the study ...

The scientific research reflected in this investigation had the purpose to study the importance of agricultural production and the variation of bacterial microflora on the quality of certain categories of poultry meat in ...