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- Rotavirus (RVA)
Disease
Rotavirus (RVA)
فيروس الروتا
Rotavirus A، مرض الفراخ الصغيرة (جزئيًا)
Educational content for breeders — not a substitute for veterinary advice. Doses and treatments here are general; actual diagnosis and treatment must be supervised by a veterinarian.

An acute, fast-spreading viral disease that mostly affects young pigeons, especially during the racing season, and causes rapid death within hours of the first signs. It is one of the most dangerous forms of young bird sickness because of how fast it progresses.
Symptoms
Depression, vomiting, diarrhea, hunched posture; death often within 12-24 hours of onset, mortality up to 30% in some flocks.
Causes
Rotavirus type A (Rotavirus A / RVA)
Transmission
Rapid spread between flocks through direct contact and mixing (shows, races, buying and selling); heavy movement of birds between lofts is one of the main drivers of spread.
Diagnosis
The characteristic rapid clinical picture (vomiting, diarrhoea and death within hours) after ruling out other causes; laboratory confirmation is not yet widely available locally.
Treatment
No effective specific treatment or antiviral exists; supportive care is often insufficient given rapid progression. Prevention is the main defense.
Prevention
Avoid flock mixing (races, shows, trading), strict quarantine for new birds, restrict visitors, disinfect shared equipment. Limited commercial vaccines exist (e.g. Rotavax) but availability/efficacy vary by region.
References
RSPCA Knowledgebase؛ Racing Pigeon Laboratory Testing؛ بحث تكميلي (لم يرد كمرض منفصل مفصّل في دليل EHC الأصلي رغم الإشارة الجزئية له)
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