Tilemachos Mantzios, Ioanna Stylianaki, Soumela Savvidou, Stella Dokou, Georgios Α Papadopoulos, Ioannis Panitsidis, Apostolos Patsias, Jog Raj, Marko Vasiljević, Marko Pajić, Luis-Miguel Gomez-Osorio, Jasna Bošnjak-Neumüller, Vasilios Tsiouris, Ilias Giannenas
Maintaining respiratory tract health is crucial for layers, impacting gut health, laying performance, and egg quality. Viral diseases and standard vaccinations can compromise tracheal epithelium function, leading to oxidative stress. This study assessed the impact of a blend of feed additives, predominantly lysozyme (L), essential oils (EO), and vitamins (VIT) (referred to as L + EO + VIT), on young layers during an oral vaccination schedule. The supplementation significantly enhanced antibody titers for Newcastle Disease Virus (NDV) and Infectious Bronchitis Virus (IBV) after vaccination, trachea functionality and intestinal health in the jejunum, increased egg production, and exhibited a trend toward higher egg weight...
January 30, 2024: Vaccines