Newcastle Disease in Poultry (Laying Hens), NDv infection in vaccinated chickens, Vet Case 007

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Newcastle disease in Poultry, laying hens, 28 weeks, with late peak production performance, very low mortality. Velogenic Newcastle disease (vvND) virus is a very deadly virus in poultry. This virus is still able to cause clinical symptoms in chickens that have been vaccinated with immunity at the medium level. In […]

Newcastle Disease Virus Infection in Vaccinated Layer Hens

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Newcastle disease virus infection in 38 weeks old layer brown chicken, mild respiratory signs, normal daily mortality rate, drop of egg production, change color egg, abnormal shape. Velogenic Newcastle disease virus is the deadliest virus for poultry. So many people assume, if this virus infects a chicken flock, then they […]