VACCINE PREPARATION AND METHOD OF POULTRY VACCINATION Russian patent published in 2001 - IPC

FIELD: veterinary science. SUBSTANCE: vaccine preparation against infections in poultry, for example, egg yield decrease syndrome virus, Newcastle disease of infectious bronchitis in chickens and infectious bursitis where antigens are placed in liposomal vesicle which, in turn, is places in an envelope made of a mixture of sugars and water-soluble polymeric materials in the following ratio of components, wt. -%: sugars, 8-15; water-soluble polymer, 0.5-3; antigen in liposomal vesicle, the balance. Preparation has sucrose, lactose and/or sorbitol as sugars; gelatin, polyglucin or polyvinylpyrrolidone as a water-soluble material. Method of poultry vaccination involves administration of liposomal vaccine in birds by oral method in the dose 10 ml per a head. One man is able to vaccinate 25 000-30 000 heads of birds for 2 h while for intramuscular injections of this herd 6 men must work for 2 days. EFFECT: enhanced effectiveness of vaccine, improved method of vaccination. 4 cl, 5 tbl, 2 ex