By J.L. Vegad
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Extra resources for A Colour Atlas of Poultry Diseases: An Aid for Farmers and Poultry Professionals
In severe cases, marked conjunctivitis (inflammation of conjunctiva) with closed eyes, swollen wattles, and difficulty in breathing can be seen. 2. Feed and water consumption is usually decreased. This results in a drop in egg production, or an increase in the culling (removal) of inferior, weaker, and worthless birds. Postmortem Findings I. Swelling of the face and wattle due to accumulation of fluid under the skin is marked (Fig. 75). 2. There is inflammation of the nasal passages and the space present below the eye.
Control I. Avoid overcrowding to prevent skin damage. 2. Maintain good standards of hygiene in management. Improve litter condition , reduce moisture and bacterial levels in the environment, and m inimize trauma (injury) to the bird. 3. Protect the birds against immunosuppressive diseases, like Gumboro disease and others, by carrying out proper and timely vaccinations. 4. Remove dead birds daily as quickly and as often as possible. S. House sanitation should be carefully controlled . Feed , water, and litter management are very important.
Gangrenous dermatitis in two IO-week-old grower chickens. Note the affected area in the left bird, besides being red, is moist and swollen. Fig. 72. A more advanced case of gangrenous dermatitis in another IO-weekold grower chicken . Note the affected area is now intense red, moist, swollen, and devoid of feathers. The skin beneath contains blood-tinged watery fluid . 51 BACTERIAL A COLOUR ATLAS OF POULTRY DISEASES DISEASES Fig. 73. Gangrenous dermatitis under the wings in another I O-week-old grower chicken.
A Colour Atlas of Poultry Diseases: An Aid for Farmers and Poultry Professionals by J.L. Vegad