Avian infectious bronchitis virus (IBV) is a highly contagious coronavirus found in chickens worldwide that costs the US poultry industry millions of dollars annually. Although it’s largely a respiratory disease, some strains of the virus can also ca

EU - MSD Animal Health (known as Merck Animal Health in the USA and Canada) has launched INNOVAX®-ILT, the company’s novel vaccine that, in a single shot, protects poultry against infectious laryngotracheitis (ILT) as well as Marek’s disease for use in the European Union.
calendar icon 23 September 2015
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INNOVAX-ILT is MSD Animal Health’s first vector vaccine to launch in the EU, and is the first and only vector vaccine available in the EU to protect against infectious laryngotracheitis. The vaccine will be available to customers starting in September 2015, depending on local approval regulations.

The Poultry Site caught up with Dr. Taylor Barbosa Global Poultry Head at Merck Animal Health, who explained more about the pioneering hatchery vaccine that, in a single shot, protects poultry against infectious laryngotracheitis (ILT) as well as Marek’s disease.

“Infectious laryngotracheitis is a significant concern across the poultry industry since the virus – as well as some existing preventative measures – can have a negative impact on growth and overall performance of the chickens,” said Dr. Rik Koopman, Global Technical Director, MSD Animal Health.

“What makes INNOVAX -ILT a true advance is that with a single shot; it helps farmers effectively protect their poultry against ILT virus as well as Marek’s disease, without compromising growth or causing respiratory reactions that impair performance. MSD Animal Health is proud to offer a vaccine that will improve poultry health and efficiency.”

Infectious laryngotracheitis is an acute, highly contagious, herpesvirus infection of chickens and other poultry characterized by severe dyspnea (gasping or shortness of breath), coughing and rales (rattling or abnormal lung sounds). Typically, affected birds also become anorectic (reduced appetite), or inactive. ILT also causes a drop in egg production in laying birds. Infectious laryngotracheitis has been a growing and costly problem in recent years for poultry producers, and the infection can affect broilers as well as breeders and layers.

INNOVAX -ILT utilizes the herpesvirus of turkey (HVT) as a vector or carrier virus for infectious laryngotracheitis antigens; HVT is well recognized as safe for chickens and also protects against Marek’s disease, another herpesvirus that causes tumors, immunosuppression and sometimes mortality. The vaccine allows birds to develop immunity against infectious laryngotracheitis and Marek’s disease before they are exposed to the viruses that cause these diseases. The vaccine also helps producers reduce labor costs because it requires only a single dose at the hatchery; the vaccine is administered via subcutaneous injection in day-old chicks.

The vaccine offers long protection against ILT (at least 60 weeks) in long-lived chickens such as broiler breeders and commercial layers.

Detailed conditions of the product are described in the summary of product characteristics (SPC), published on the European Medicines Agency’s website.

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