Among all the contagious poultry diseases newcastle disease is most harmful. This disease attack the poultry all over the world. Baby chicken affect much than adult chicken by newcastle disease. This diseases first identified in Newcastle of England. From then it is known as newcastle disease. Later this disease was found in a place of our sub continent named “Ranikhet”. From then it is known as ranikhet in our sub continent.
Newcastle disease affect the poultry birds for a virus named newcastle disease virus (NDV). This disease affect much in winter and spring season. The material out-flowed from the breathing system of affected bird mix with air, food and water. Healthy bird affect through this material.
Symptoms of Newcastle Disease
- Newcastle disease affected chicken leaves the group and take shelter in the corner of poultry house.
- It always stay in dozing condition.
- Healthy bird suddenly jump high and make a sound then die.
- Affected bird suffers by byspnoea.
- The bird may paralyzed.
- Mucus flow from nose.
- The closet of affected chicken looks like white lime.
- The color of the closet sometimes become green, yellow or white.
- Laying hen lay less eggs. Sometime stops laying.
- The eyes become swelled.
- Lobe and head crest become blackish.
- The egg of the newcastle disease affected bird become thin shelled, soft and distorted.
- Neck can be curved and the head always traverses.
- The affected bird moves slowly.
- The closet become very unsavory and mixed with the tail feather.
- If newcastle disease affect much, the bird die suddenly.
- Separate the affected bird from the healthy one for treatment.
- Don’t through the dead body of affected bird here and there.
- The dead bird should burn with fire or keep it under the soil.
- Vaccinate the bird before the disease season.
- Potassium mixed water can be feed to the both affected and healthy chicken. This will make good result.
- Feed the chicken timshen mixed (1 gram per 16 litter) water for five days.