1. Pericardium: Observe whether the color is normal, whether the wall is thickened and whether it adheres to the heart.
2. Heart: Pay attention to its appearance, size, epicardial bleeding point, etc. Then the atria and ventricles were cut at the same time, and the state of endocardium was examined to observe the changes of color, texture (tough or soft) and luster (bright or dim) of myocardium.
3. Lung: Observe its color, size, and whether there are lesions on its surface, and touch and press with your fingers to judge the deficiency and excess of alveoli and whether there are nodules in the tissue.
4. Adenostomach and muscular stomach: cut the glandular stomach together with muscular stomach, and pay attention to the thickness of the gastric wall of the glandular stomach, the shape of the contents, the state of mucosa and glands, whether there is bleeding in the mucosal papilla, and whether there are parasites. Peel off the horny membrane of the muscle stomach and check whether there is bleeding or corrosion spots on its inner wall.
5. Intestine: First check the mesentery and serosa for bleeding, inflammation and adhesion with abdominal wall.
The above contents are for reference only. If more information is needed, it is recommended to consult a professional veterinarian.