Antigens and antibodies to bursal infections in chickens

Infectious Bursal Disease Immune-complex Vaccine (Strain CF)

This vaccine provides effective prevention against infectious bursal disease in chickens. With a minimum antigen activity of 50 PD50/dose, it is administered either via subcutaneous injection for day-old chicks or in ovo for 18-day-old embryos. Store at 2-8℃, with an 18-month shelf life, and use reconstituted vaccine within 2 hours.

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Descrizione del prodotto

This immune-complex vaccine is specifically designed for the prevention of infectious bursal disease (IBD), also known as Gumboro disease, a highly contagious viral infection that targets the bursa of Fabricius and causes severe immunosuppression in young chickens.

The vaccine utilizes advanced immune-complex technology, where live IBD virus (strain CF) is combined with specific antibodies. This formulation allows the vaccine virus to remain temporarily neutralized, enabling it to bypass interference from maternally derived antibodies (MDA). Once maternal antibodies decline, the vaccine virus is gradually released, inducing active immunity at the optimal time.

This mechanism ensures uniform flock immunity, even in chicks with varying maternal antibody levels, making it highly suitable for modern hatchery vaccination programs.

With a minimum antigen potency of ≥ 50 PD50 per dose, the vaccine provides reliable and consistent immune protection. It is ideal for both in-ovo vaccination (18-day embryos) e day-old chick vaccination, supporting large-scale poultry production systems.

Programma di immunizzazione

  • In-ovo Vaccination:
    • 18-day-old embryos
    • Administer 0.1 mL per embryo (air cell route)
  • Day-old Chicks:
    • Iniezione sottocutanea (collo)
    • 0.1 mL per chick
  • Designed for single-dose primary immunization in hatcheries

Dosaggio e somministrazione

  • Dilute to 1 dose / 0.1 mL using sterile normal saline
  • Routes:
    • In-ovo (air cell injection)
    • Subcutaneous (day-old chicks)

Caratteristiche del prodotto

  • Aspetto: massa spugnosa e friabile di colore giallo pallido o rosso pallido
  • Rapida dissoluzione dopo la diluizione
  • Adatto ai sistemi di automazione degli incubatoi

Safety & Adverse Reactions

  • Non sono state osservate reazioni avverse evidenti
  • Sicuro per l'uso negli embrioni e nei pulcini di 1 giorno, in condizioni adeguate

Precauzioni

  • Utilizzare solo in:
    • Embrioni di 18 giorni con sviluppo normale
    • Pulcini sani di 1 giorno
  • Dopo la diluizione:
    • Conservare in luogo fresco e al riparo dalla luce
    • Utilizzare entro 2 ore
  • Mantenere procedure asettiche durante la somministrazione
  • Smaltire:
    • Flaconi del vaccino
    • Attrezzature
    • Vaccino residuo secondo le normative di biosicurezza

Confezionamento e specifiche

  • Specifiche:
    • 1000 dosi/flacone
    • 2000 dosi/flacone
  • Confezionamento: 10 flaconi/scatola

Conservazione e durata di conservazione

Conservazione: 2–8°C

  • Proteggere dalla luce
  • Durata: 24 mesi

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