From: Evidence of vector borne transmission of Salmonella enterica enterica serovar Gallinarum and fowl typhoid disease mediated by the poultry red mite, Dermanyssus gallinae (De Geer, 1778)
Group
Morbidity and mortality
Positivity to serovar Gallinarum
Affected hens
Deaths
Liver
Spleen
Ovary
Cecum
A
8
1
6
7
0
B
5
2
3
A + B
15
14
C
D
4
C + D
13
11