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Prevention and Control of disease 
in broiler chicken In poultry industry primarily emphasis is given more on prevention and control than curative measures. 

A suggestive disease prevention & control programme follows:

· Start with disease free stock.

· V accine chicks against Ranikhet & Merek's disease at Hatchery .

· Use coccidiostal to prevent coccidiosis.

· Keep feed free from aflatoxins.

· Do not allow visitors or outsiders and attendants inside the poultry house unless they wear disinfected boots and clean clothing.

· Cover floor with clean litter at least 3 inches deep.

· All-in-one system of rearing should be followed to ensure minimum disease problems.

· Foot-bath provision at the entrance of the farm is must.

· Provision of adequate clean and fresh water should be available. 

 



A)Viral chicken disease

1)Ranikhet / New Castle Disease

Symptoms:

· Af fects all the birds of the farm.

· Dif ficulty in breathing.

· Nasal dischar ge.

· iv . Anorexia.

· v . Greenish diarrhoea.

· vi. 90-100% mortality .

· Pr evention: Early vaccination with F1 followed by R B vaccines 


2) Mar ek's Disease

Symptoms:

i. Af fects all the birds.

ii. Droopy wings, lameness, paralysis.

iii. 60- 70% mortality .

T r eatment :

No treatment, only early vaccination.


B)Bacterial Diseases 

 

1) Salmonellisis

 

Symptoms:

i.Chalky white diarrhoea.

ii.Pasted vent.

iii.Depression. and loss of weight.

 iv .Sudden death. 

v . Af fects all age groups.

Treatment:

i. Use effective antibiotic (contact nearest veterinary centre).

ii.Recovered birds act as a source of disease and thus better to cull.


2) Colybacillosis

Symptoms:

i) Affects all age groups.

ii) Diarrhoea.

iii) Dizziness.

iv) Swelling of joints.

v) Oedematous comb and wattle.

vi) Mortality rate - 90%.

Treatment:

Antimicrobials (contact nearest veterinary centre).

 C)Fungal Diseases -

1) Br ooder pneumonia / aspergillosis

Symptoms:

i) Affects chicks.

ii) High mortality .

iii) Respiratory problem.

iv) Swollen eye and head.

T r eatment:

Use antifungal (contact nearest veterinary centre).

D)Helminthic Diseases-

Symptoms:

i) Af fects mostly layer birds.

ii) Inappetance.

iii) Poor body growth.

iv) Ruf fled feather .

v) Diarrhoea.

T r eatment:

Use anthelmintic every two months (contact nearest veterinary centre)

E)Protozoan Disease s-

1) Coccidiosis

Symptoms:

i) Bloody diarrhoea.

ii) High mortality rate.

T r eatment:

1)Proper management.

2)Use anticoccidiosis (contact nearest veterinary centre)

BIO SECURITY MEASURES IN A BROILER F ARM

Bio-security is a practice designed to prevent the spread of disease onto your

farm.

Bio-security has three major components:

1.Isolation.

2.T raf fic Control.

3.Sanitation.

Bio-security Measur es :

1. Fencing .

2. Keep visitors to a minimum .

3. Limit visitations to other poultry farms .

4. Keep all animals and wild birds out of poultry houses .

5. Practice sound rodent and pest control programs.

6. Inspect flocks daily and recognize disease symptoms.

7. Good ventilation and relatively dry litter .

8. Keep areas around houses and feed bins clean.

9. No exchange of feed and equipments .

10. Disinfection and sanitisation of poultry house & equipments.

 

Marketing of Br oilers:

Marketing should be planned.

A successful project will depend on the good market and the price of fered.

A suggestive disease prevention & control programme follows:

· Start with disease free stock.

· V accine chicks against Ranikhet & Merek's disease at Hatchery .

· Use coccidiostal to prevent coccidiosis.

· Keep feed free from aflatoxins.

· Do not allow visitors or outsiders and attendants inside the poultry house unless they wear disinfected boots and clean clothing.

· Cover floor with clean litter at least 3 inches deep.

· All-in-one system of rearing should be followed to ensure minimum disease problems.

· Foot-bath provision at the entrance of the farm is must.

· Provision of adequate clean and fresh water should be available. 

 A)Viral chicken disease

1)Ranikhet / New Castle Disease

Symptoms:

· Af fects all the birds of the farm.

· Dif ficulty in breathing.

· Nasal dischar ge.

· iv . Anorexia.

· v . Greenish diarrhoea.

· vi. 90-100% mortality .

· Pr evention: Early vaccination with F1 followed by R B vaccines 


2) Mar ek's Disease

Symptoms:

i. Af fects all the birds.

ii. Droopy wings, lameness, paralysis.

iii. 60- 70% mortality .

T r eatment :

No treatment, only early vaccination.


B)Bacterial Diseases 

 

1) Salmonellisis

 

Symptoms:

i.Chalky white diarrhoea.

ii.Pasted vent.

iii.Depression. and loss of weight.

 iv .Sudden death. 

v . Af fects all age groups.

Treatment:

i. Use effective antibiotic (contact nearest veterinary centre).

ii.Recovered birds act as a source of disease and thus better to cull.


2) Colybacillosis

Symptoms:

i) Affects all age groups.

ii) Diarrhoea.

iii) Dizziness.

iv) Swelling of joints.

v) Oedematous comb and wattle.

vi) Mortality rate - 90%.

Treatment:

Antimicrobials (contact nearest veterinary centre).

 C)Fungal Diseases -

1) Br ooder pneumonia / aspergillosis

Symptoms:

i) Affects chicks.

ii) High mortality .

iii) Respiratory problem.

iv) Swollen eye and head.

T r eatment:

Use antifungal (contact nearest veterinary centre).

D)Helminthic Diseases-

Symptoms:

i) Af fects mostly layer birds.

ii) Inappetance.

iii) Poor body growth.

iv) Ruf fled feather .

v) Diarrhoea.

T r eatment:

Use anthelmintic every two months (contact nearest veterinary centre)

E)Protozoan Disease s-

1) Coccidiosis

Symptoms:

i) Bloody diarrhoea.

ii) High mortality rate.

T r eatment:

1)Proper management.

2)Use anticoccidiosis (contact nearest veterinary centre)

BIO SECURITY MEASURES IN A BROILER F ARM

Bio-security is a practice designed to prevent the spread of disease onto your

farm.

Bio-security has three major components:

1.Isolation.

2.T raf fic Control.

3.Sanitation.

Bio-security Measur es :

1. Fencing .

2. Keep visitors to a minimum .

3. Limit visitations to other poultry farms .

4. Keep all animals and wild birds out of poultry houses .

5. Practice sound rodent and pest control programs.

6. Inspect flocks daily and recognize disease symptoms.

7. Good ventilation and relatively dry litter .

8. Keep areas around houses and feed bins clean.

9. No exchange of feed and equipments .

10. Disinfection and sanitisation of poultry house & equipments.

 

Marketing of Br oilers:

Marketing should be planned.

A successful project will depend on the good market and the price of fered.

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