What does NDV mean?
Newcastle disease virus (NDV) is a paramyxovirus that infects large poultry populations and is controlled by mass vaccination using a modified live vaccine.
What are the signs of Gumboro in poultry?
Clinical symptoms may include trembling, ruffled feathers, poor appetite, dehydration, huddling, vent pecking, and depression. The majority of the lesions are found in the bursa of Fabricius when birds are necropsied.
What is ND in poultry?
Newcastle disease (ND) is a highly contagious and often severe disease found worldwide that affects birds including domestic poultry. It is caused by virulent strains of avian paramyxovirus type 1.
What is Newcastle in chickens?
Virulent Newcastle disease, formerly known as exotic Newcastle disease, is a contagious and fatal viral disease affecting the respiratory, nervous and digestive systems of birds and poultry. The disease is so virulent that many birds and poultry die without showing any clinical signs.
What is an NDV value?
It shows how COUNT(DISTINCT) gives a precise answer, but is inefficient for large-scale data where an approximate result is sufficient. The NDV() function gives an approximate result but is much faster.
What is NDV in construction?
Planning authorities are becoming more conscious of the effects a construction site can have on its neighbouring environment. Noise, dust and vibration (NDV) monitoring is more necessary than ever.