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Avian DNA sexing
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Определение пола птиц при
помощи анализа ДНК из перьев
IL DNA- la determinazione di
Sesso fuori di uccello di Cuscino
El Reconocimiento del
ADN de plumas de aves
Determinação do Sexo por análise
do DNA de penas de aves
Détermination du sexe par ADN
à partir de plumes d’oiseaux

Bornavirus (PDD)

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Startseite Flyer Avian DNA-Sexing Bornavirus (PDD)
RNA-Test Proventricular Dilatation Disease (PDD)

Avian Bornavirus (ABV)

Sample material:

Chloacal swab combined with a blood sample (in EDTA or just a drop on a sterile swab) and feathers or bloodfeathers

Duration of the investigation:

Two to three days after receiving the sample

Disease pattern:

The proventricular dilatation disease is an inflammatory illness affecting the nervous system and the gastrointestinal tract of psittacine birds. The infectious agent is an avian bornavirus (ABV).

Typical signs of an infection are weight loss over a period of weeks to months despite a good appetite, passage of undigested food in feces and regurgitation. Lack of coordination, paresis, head tremors and other neurological symptoms may be included. The birds die after some months to one year after first signs have occurred.

In many cases birds infected with ABV may not develop any symptoms. But they can act as a reservoir for the virus and can infect other birds. ABV is mainly spread through feces.

Meanwhile PDD occurs in more than 50 psittacine species. Analogous symptoms were also found in non-psittacine birds such as canaries, ibises, Canada geese, waxbills and tucans.


A confirmed diagnosis is possible by detecting the viral RNA from blood samples, cloacal swabs and feathers. All birds newly integrated into the livestock should be tested for already existing infections.