L2 Animal Production Diseases in Poultry

DISEASES IN POULTRY Downloaded from hlayiso.com

LEARNING OUTCOMES • Tell whether a chicken is healthy or sick • Recognise the signs and symptoms of some common diseases in poultry • Provide basic advice on the treatment ,control and prevention of some from Downloaded diseases in poultry hlayiso.com

INTRODUCTION • Today we are going to be looking at diseases that affect broiler chickens. It is important for the farmer to know the signs and symptoms of a sick bird. In this chapter ,we would be looking at the different virusesDownloaded and bacteria that from affect the chickens. hlayiso.com

SIGNS OF A SICK CHICKEN • Closed eyes • Dirty vent • Not moving around • Feathers fluffed or messed up • Feathers Downloaded frombright that do not look hlayiso.com .

NEWCASTLE DISEASE (ND) • It is virus-disease. • Very contagious. • It affect the respiratory track of the bird. Downloaded from hlayiso.com

SYMPTOMS • Spread out their wings. • Twisted neck and gasp for air. • Coughing and chirping • Many death occur without any signs. Downloaded from hlayiso.com

PREVENTION • Spread by when a chicken drinks contaminated water, passes out faeces or breathes some virus particles. • Vaccinate the chickens against the virus. • Burn and bury dead birds on the farm. Downloaded from hlayiso.com • Disinfect the wheels of the lorries coming to the farm.

SUMMARY • Diseases are an important factor that broiler farmers must consider when raising their chickens. The behaviour of the chickens will indicate if your flock is healthy or not. Newcastle disease is one of the virus that can affect your chickens. It affect the respiratory systemDownloaded from hlayiso.com of the chicken.

• Birds usually have twisted neck and find it difficult to breath once they have the virus. Prevention is better than cure, by applying the Newcastle vaccinating programme. Downloaded from hlayiso.com

CONCLUSION • To prevent high mortality rate amongst your flock, preventing diseases is essential. Identifying sick chickens in the early stages is important. Newcastle diseases is a very contagious disease that could kill all your chickens. Vaccinating your flock against the virus isDownloaded important andfrom provide them with good hlayiso.com nutrition feed.

Learning Activity 1 Answer the following questions 1. Is the Newcastle diseases a virus or bacteria disease? (1) 2. How can you prevent the Newcastle disease from affecting your chickens? (3) Downloaded from hlayiso.com

3.Name four symptoms of a sick chicken. (4) 4.Write three ways in which the virus can spread. (3) Downloaded from hlayiso.com

THANK YOU Downloaded from hlayiso.com