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The way to diagnose european hnilica bees

IPC classes for russian patent The way to diagnose european hnilica bees (RU 2122831):
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(57) Abstract:

The method is intended for visual monitoring of a bee colony in the apiary. For this release of sick, dead and healthy larvae of bees and directly in the apiary make the selection of the contents of their intestines. The slide with the corresponding dried smears of samples sent to the laboratory, where they make from strokes seeding and incubated, and then grown in culture analyze under a microscope. This method eliminates the distortion of diagnosis during long-term storage of pathological material and retain the material for further research.

The invention relates to veterinary medicine and can be used to diagnose diseases of the brood of bees European grilcom.

Known methods of laboratory diagnostics of the European hnilica (Smirnov, A. M. Diagnostics of bacterial diseases of brood // beekeeping. -1984. - N 1. - S. 17-20, N 2. -S. 20-22).

Conduct visual monitoring of bee families and prepare pathological material. In a laboratory guide to the honeycomb samples of size 10 x 15 cm, with sick and dead larvae and pupae, in case of death of an unsealed larvae sample dalamanti their selection. Each sample of pathological material treated according to the following scheme: external visual inspection of honeycomb, the selection of patients who died and healthy larvae, opening larvae and selection of the contents of their intestines, preparation of smears of the latest and identification in smears of the causative agent. Diagnosed with European foulbrood can be delivered in 5-7 days by identifying the main causative agent of the disease and concomitant microflora or their associations.

The disadvantage of this method is the difficulty of implementation: delivery of material to the laboratory for 1 day is almost impossible, and can lead to mortality as patients and healthy larvae contamination of secondary microflora, mixing the sample with honey. Given that in the sample taken for the study, 100 larvae is 5-10 amazed grilcom, the highlight of larvae among the total mass of the dead is difficult. Often sowing do not diseased and healthy larvae. Even if the seeding produced from larvae affected European grilcom, then highlight the main causative agent using the above method is not possible, because its growth is suppressed by concomitant microflora. Isolated from the mask associated microflora is necessary is o bee colonies.

In order to prevent distortion of the diagnosis provided long-term storage of pathological material, to preserve the material for research in the apiary conduct visual monitoring of bee families, there are the patients who died and healthy larvae, select the contents of their intestines. At the same time paying attention to the color of the intestine of the larvae. The intestine is diseased larvae - white /melody/ colorless or yellow heavy, intermittent white inclusions. From the hive to extract cells from diseased larvae. Sterile tweezers remove larvae that reveal sterile eye with a scalpel. Directly in the apiary of the contents of the intestine or decayed mass of dead larvae make strokes on sterile slides three smears from patients who died and clinically healthy larvae. The smear is dried at room temperature in sterile containers, sign them in sterile packaging /plastic bag/ send to the lab.

Identification of the causative agent is produced from dried smears out apiary. In the laboratory doing the seeding of stroke on Wednesday Bailey prick and incubated under anaerobic conditions at 35o. After 72 hours appear colony VI is s save to research material, to highlight the main causative agent, to prevent distortion of the diagnosis, since in the dried smear pathogen maintained, and the accompanying microflora dies.

The selection of the primary pathogen of the European hnilica gives the opportunity to test its sensitivity to antibiotics, to provide rational treatment.

The proposed method allows you to save 10 fotoramok 100 bee colonies and 2 kg of honey per colony.

The way to diagnose European hnilica bees, providing visual monitoring of bee families in the apiary, the selection of patients who died and healthy larvae, the selection of the contents of their intestines, preparation of smears of the latest and identification in smears of the causative agent, characterized in that the selection of the gut contents of larvae and subsequent preparation of smears, which are dried, carried out directly after the selection of patients who died and healthy larvae in the apiary, and identification of the causative agent is produced from dried smears out apiary.

 

 

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