|
Carcass no
|
Lungs
|
Gastro intestinal changes
|
Lymphoid organs (depletion and necrosis)
|
Remarks
|
|---|
|
Congestion
|
Proliferative changes in alveoli
|
Bronchitis/bronchiolitis
|
Presence of syncytia
|
Sero-fibrinous exudates
|
Desquamation and inflammation
|
Depletion in Payers patches
|
MLN
|
Spleen
| |
|---|
|
1
|
+
|
+
|
+
|
-
|
-
|
++
|
+
|
+
|
+
|
**
|
|
2
|
+++
|
-
|
++
|
-
|
+
|
-
|
-
|
-
|
-
|
*
|
|
3
|
+
|
+
|
+
|
-
|
-
|
+
|
+
|
+
|
+
|
***
|
|
4
|
++
|
-
|
+
|
-
|
-
|
-
|
-
|
+/-
|
+
|
*
|
|
5
|
+
|
+
|
+
|
-
|
-
|
+
|
+
|
-
|
-
|
**
|
|
6
|
+++
|
-
|
++
|
+
|
+
|
+
|
-
|
-
|
-
|
*
|
|
7
|
++
|
-
|
+
|
-
|
-
|
+
|
+
|
-
|
-
|
*
|
|
8
|
+
|
+
|
+
|
+
|
-
|
-
|
+
|
+
|
++
|
***
|
|
9
|
++
|
-
|
++
|
-
|
+
|
++
|
-
|
+
|
+
|
**
|
|
10
|
+
|
-
|
+
|
-
|
-
|
++
|
-
|
-
|
-
|
**
|
|
11
|
+
|
+
|
+
|
+
|
-
|
+
|
+
|
+
|
+
|
***
|
|
12
|
++
| |
+
|
-
|
-
|
++
|
-
|
-
|
-
|
**
|
|
13
|
+
|
+
|
+
|
+
|
-
|
-
|
-
|
-
|
-
|
*
|
|
14
|
+
|
-
|
+
|
-
|
-
|
++
|
-
|
+
|
+
|
**
|
|
15
|
+
|
-
|
+
|
-
|
-
|
+
|
-
|
-
|
-
|
**
|
- *Died within 24-48 hours, **= 3 - 5 days, ***Died after 7 days, MLN: Mesenteric lymph node, + = visible, ++ = prominent, +++ = severe.
