BOFYA TANGAZO HAPO JUU KUONA PICHA ZA UCHI NA VIDEO HIZO ZA NGONO..BOFYA HAPO JUU KWENYE TANGAZO LA MRABA
This year marks the tenth anniversary of the vaccine, and a number of people from top poultry companies around the world gathered at Merial’s Global Avian Forum in Barcelona, Spain in April to discuss their experiences using it.
Vaxxitek HVT + IBD is a live vaccine based on a recombinant turkey herpes virus (the ‘HVT’ part of its name), which is commonly used to protect chickens from Marek’s disease, expressing a gene from the infectious bursal disease virus (IBDv). The vaccine strains induce an active immunity and a serological response (detectable antibodies) against these two diseases.
Marek’s disease and IBD are both important diseases that can affect productivity in both broiler and layer flocks.
IBD is a viral disease of 3-6 week old chickens, found to varying degrees across the world. The virus attacks lymphocytes (important cells for the immune response) in the bursa of Fabricius and other immune organs. The virus is shed in poultry faeces, and survives months in the environment.
IBD causes a number of symptoms, including diarrhoea, depression and tail pecking, as well as varying levels of mortality. It also increases susceptibility to other diseases, including Marek’s.
Importantly for producers, it can result in reduced body weight/uniformity, and decreased performance in layers.
Vaxxitek HVT + IBD can be used to prevent Marek’s disease and IBD through either in-ovo vaccination in 18-19 day old embryos or as a subcutaneous injection for day-old chicks. It can be used in breeders, broilers and layers.
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