Recombinant vaccines against ND and ILT

Recombinant vaccines offer a new and easier way for poultry producers in Latin America to gain control of Newcastle disease and infectious laryngotracheitis. Both are costly diseases that pose a serious threat to their flocks, speakers said at a recent forum in Baltimore, USA. By Diana Delmar, USA Biologist Francisco Ríos, technical director for Intervet/Schering-Plough Animal Health, (ISP-AH) Mexico, said that in his country, where Newcastle disease (ND) is “arguably the most econ