SOURCE OF INFECTIONS
Sick and overwhelmed, as well as in the incubation period of birds. Transmission factors - down, feathers, bedding, carcasses and carcasses of killed birds, contaminated equipment and inventory, feed, transport, personnel, rodents, insects, wild birds.
INCUBATION PERIOD
1-5 days.
CLINICAL SIGNS
Extreme flow is the sudden death of a bird without the appearance of any signs of disease,
Planed teçenïe depression status, drowsiness, ïsteçenïe tyagwçey mucus from Thomä, konyu n ktïvït temperature, povışenïe bodies, diarrhea, otekï podkojnoy kletçatkï in the region golovı, şeï, sternum, otek larynx, cyanosis ( sïnyuşnost ) grebnya, borodok and legs, unsteadiness gait , convulsions, paresis and paralysis.
In chickens - productivity is sharply reduced (to the full cessation of egg production).
Mortality can reach 100%.
In waterfowl - when infected with highly virulent strains, violation of the coordination of movements, curvature and twisting of the neck, sometimes develops blurring of the cornea. The disease can be asymptomatic, and birds remain infected for a long time.
PATHOLOGATOMATIC CHANGES
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Arabalıkskaya rayonnaya terrïtorïalnaya inspection KVKïN MA RK |
Student infiltrates of yellowish-red color in the subcutaneous tissue, accumulation of exudate in the thoracic and pericardial cavities, blood clots in the serous and mucous membranes, heart, liver. Head lice are hyperemic, with spotted hemorrhages,
liver, kidneys, mesentery and serous shells of the small intestine are constantly hyperemic.
LABORATORY DIAGNOSTICS
Pathological material (pieces of the brain, lungs, trachea, spleen, kidneys, heart, affected areas of the intestine), cloacal and / or tracheal washes from 5-10 fallen or killed with a diagnostic plate. Samples of beets are taken from the calculation at 1g from 60 points of the bird, on the diagonal of the cross-cross, from small birds - fecal mass is not less than 1 g . Proof krovï from podkrılcovoy venı 25-30 Bird flying from odnogo Stadler, ptïçnïka, naselennogo, vodoema. Do not combine samples of biomaterials of different species of birds, collected in different places.
PREVENTION
Observation of the closed mode of economy,
Zavoz hatchery and chickens - only from well-to-do farms,
Vaccination: inactivated vaccines are used.
MAYORS WRESTLING
Sick and suspicious birds are killed by a bloodless method and burned, cleaning and disinfection of buildings and equipment are destroyed. There is a complex of anti-epizootic events in accordance with the Rules on the fight against bird flu.