Poultry internal Diseases and Post Mortem Examination

As symptoms of disease are noticed on the external part of the birds, they could also be noticed in the internal organs. A serious poultry farmer can sometime take time off to examine a victim bird of a certain disease which seems strange or familiar.

Symptoms of diseases like Chronic Respiratory, Wet Pox etc can be noticed internally when properly examined.

The round heart disease for instant which make the heart of infected birds to swell and increase its size can be noticed when properly examined but this practice does not mean that you should ignore the veterinarians and other experts because they are in the best position to advice poultry farmers what to do against any disease, they know much better the drugs to apply to a certain disease and they are the birds doctor.

All what you need to do is to acquaint yourself with common clinic instruments such as:

  • Operation table
  • Operation light
  • Straight scissors
  • Curved scissors and
  • Drugs

You should always ensure strict measures of sanitation whenever you want to observe the internal organs of a bird.

Diagnostic organs: for proper examination of a bird, you should start cutting from both sides of the mouth down to the anus and ensure that no part of the internal organs is misplaced. Wash it off, examine each and everyone of the organs carefully.

Mouth: the mouth of the bird should be well examined whether the signs of wet-pox disease could be traced.

Trachea: Trachea should be well examined properly by cutting it length wise and open to see if there are mucus or injuries caused by disease.

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Crop: you should carefully cut the crop into 2 equal parts. If it is a bird suffering from Fungus infection, you should note that the lining inside the crop would be thickened and rough, as a result of injuries inflicted on it by disease.

Liver: the liver should be observed properly after washing it off. In the liver of a bird suffering from mycoplasma infection, a false slimy yellowish membrane would be noticed and in case of big liver disease, the liver would appear bigger than usual.

Heart: you must ensure that you do not carelessly remove the liver in a bird to examine the heart. In case of round heart disease, you would notice that the size of the heart has been increased out of proportion which makes the vein to be filled with blood and the heart would not be as thick as usual.

Gizzard: one of the parts that are commonly affected by disease in the internal organs of bird is the gizzard. Gizzard worms can be found under the lining of the organs and it is not more than one inch in length.

You can prevent the occurrence of gizzard worms by avoiding insects being swallowed by birds.

Small intestine: the small intestine should be cut length wise to enable you see every part and the lining can be well examined.

see also: External Diseases of Poultry and How to Control them

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Author: Benadine

A Practical Farmer, An Agric. Consultant, An Author and A Model.

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