320 DISEASES OF DOMESTICATED BIRDS 
from the edge. The working space in the back part of the mouth of 
the chicken where the blood vessels lie is very small. Often the 
knife which is used by the killer is too broad to go into this space 
without cutting the sides of the mouth, and as for turning and guid- 
ing it, that is quite out of the question. 
EXAMPLES OF BAD CUTTING 
Ineffectual cutting, due to lack of knowledge of the structure of 
the chicken’s neck and head, the use of force rather than skill on the 
part of the operator, and a knife ill adapted to the work which it has 
to do, is illustrated in Figs. 68 and 69 which show some of the most 
common types of cuts in badly bled chickens. A study of these illus- 
trations indicates very plainly why these chickens are badly bled. 
The lower jaws from these heads were removed so that the position 
of the cuts could be noted. Head A has had two cuts. One has run 
on 
ssi 
CUTS 
wy) i A! iy 
i Na AR Lh 
‘ue 
Fic. 69. Attempts at “cross cutting,” showing veins untouched. ( Pennington 
and Betts) 
