Benefits of Serological Monitoring of Poultry Flocks. Use of Live Infectious Bursal Disease vaccines in the presence of maternal antibody. INACTIVATED VACCINES - Why and how to use them. IV Secure against  - Swine Flu Ventilation and lighting affect vaccination - Courtesy: GD Animal Health Service IB D1466 increasing among layers - Courtesy: GD Animal Health Service The magic trick to make an efficient chick - Courtesy: HatchTech Incubation Technology