8. Cut through the skin of the neck. Sever the windpipe near the head, and also where the bronchi enter the lungs. With scissors cut it open, and examine for molds or gapes or for exudates indicative of various forms of cold or lung congestion.
Fig. 32.—POST-MORTEM EXAMINATION NO. 3
Internal organs removed for examination.
9. Examine the brain (Fig. 34) for blood clots. Some care will be necessary in cutting through the skull so as not to injure the brain tissue, which should be a milky white. A sharp and strong pair of scissors or a small, fine saw (e. g., tenon saw) will be useful for older birds. Remove the skin and cut from behind, raising the bones and exposing the brain.
2. The Normal Condition of the Internal Organs
(See Fig. 32.)
The œsophagus carries the food from the mouth and passing down the neck beside the windpipe opens into—
The crop, where the food is macerated. Thence it gradually passes into—
The true stomach (or proventriculus), which is lined with small gastric-secreting glands that may be seen with the naked eye. This organ is hidden by the liver, and opens directly into—
