Cattle leucosis is one of the most important problems in dairy cattle sector. For efficient health improving actions, it is necessary to create leucosis-free herds.
Keywords: livestock sector, cattle, cow, population, herd, leucosis, virus, disease, breeding and dairy cattle production, epizooty, clinical hematologic diagnosis, IDT, ELISA, PCR, calf, milk, colostrum, milk yield, productivity, herd improvement, slaughter, disease prevention, anti-leucosis measures, isolate, strain, molecular biology diagnosis.
Emergence of new variants of viruses and new diseases in poultry leads to growth of the number of infections that require vaccination. Under the present circumstances, scientific approach to diagnostic testing and preventive measures, based on knowledge of epizootology, biological properties of pathogens, principles of immunology as well as classical and new methods of research is very important.
Keywords: vaccination, infectious diseases, viruses, immune response, diagnosis, prevention, immunization of population, variant strains, broilers, egg layers, feeding, housing, pathogens, environment factors, immunological rearrangement, live vaccines, inactivated vaccines, biologics, secondary infections, antibiotics, bacterial flora, pathogens, egg, meat, infectious bursal disease, industrial poultry production, viruses, microbes, chicken infectious bronchitis, metapneumoviral infection, Newcastle disease.
Joint fluid mycoplasma pathogen affects strength of egg shell. Eggs of sick poultry have characteristic differences.
Keywords: joint fluid mycoplasma, chickens, turkeys, infectious sinusitis, joint inflammation, egg, layer, pigmentation, shell pole defect, egg tube, infectious bronchitis, forced molting, autogenous vaccine.
Farm staff is exposed to risk of contagion with infections transferred by poultry. That is why observance of personal hygiene and sanitary rules for housing the population is a major factor of biological safety.
Keywords: zoonotic diseases, poultry, disease, infection, microorganism, virulence, chlamidiosis, salmonellosis, arizonosis, colibacellosis, encephalitis, tuberculosis, histoplasmosis, cryptococcosis, cryptosporidiosis, allergic alveolitis, bacterium, litter, diarrhea, antibiotic, fever, dehydration, septicemia, egg, incubation period, respiratory diseases, synovitis, salpingitis, hygiene, biological safety.
Diagnosis of infectious bronchitis requires special knowledge of its variants as well as scrupulous research. It is a very contagious viral disease for chickens causing great economic damage.
Keywords: infectious bronchitis, chickens, respiratory mucosa, urinary system, kidneys, egg productivity, poultry die-off, inactivated vaccine, egg shell, serotypes, PCR, chicken intestines, QX serotype, industrial poultry production .
In terms of efficiency, probiotics are not inferior to some antibiotics, they have no negative effect on gastrointestinal microflora, do not contaminate poultry and livestock products; therefore, they are safe for people.
Keywords: immunization, population, specific, nonspecific immunity, pathogen, endemic resistance, genetic identity, microorganism, cell, infection, marker substances, resistance, РАМР, PRR, receptor, membrane, vaccine, natural killers, interleukins, antigen, “immunologic conditioning”, probiotics, poultry, productivity.
The article provides recommendations regarding antibacterial therapy at integrated poultry farms.
Keywords: integrated poultry farm, poultry, bacterial diseases, microorganism, microflora, bacterium, strain, sensitivity, resistance, antibiotics, antibacterial medications, antibiotic therapy, antibacterial therapy, indicator disks, All-Russia Poultry Veterinary Research Institute, Pasteur Research Institute of Epidemiology and Microbiology.
Collection and analysis of epidemiological and epizootic data on isolation of salmonellas from various sources is a very important part of work for control of this zootic infection that is carried out by the Reference Centre for Monitoring of Salmonellosis at the Rospotrebnadzor Central Research Institute of Epidemiology together with Rosselkhoznadzor.
Keywords: salmonella, salmonellosis, epidemiological data, epizootic data, salmonella serovars, salmonella serovar list, zoonotic infection, food infection monitoring, S. infantis, S. enteritidis, S. typhimurium, poultry samples, meat samples, Reference Centre for Monitoring of Salmonellosis, microbiological analysis, FSBI Veterinary Center, Rospotrebnadzor Central Research Institute of Epidemiology, FSBI Central Science-and-Methodology Laboratory.
The article describes the key signs of foot-and-mouth disease, ways of the disease propagation and methods of control.
Keywords: foot-and-mouth disease, aphthous fever, hoof-and-mouth rot, artiodactyls, cattle, poultry, young animals, episooty, virus, ring vaccination, feed, incubatory period, aphthas, lymph, fever, hoof split, lameness, immunization, epizootic centre, slaughter, serological monitoring, prevention, diagnosis, vaccine, quarantine.
Imperfection of the legislation and absence of planned research to reveal cases of occurrence of such diseases as blue tongue and Schmallenberg create big risks for Russian producers.
Keywords: infectious and parasitic diseases, obligate transmissive diseases, ruminants, enzootic, permanently adverse area, prevention, blue tongue, Schmallenberg disease, infectious encephalomastitis, anthrax, African swine fever, blood-sucking insects, population, cattle.