If there are large numbers of flies around the dairy barn, what should be the first thing to be examined in an attempt to solve the fly problem?$

If there are large numbers of flies around the dairy barn, what should

1.	If there are large numbers of flies around the dairy barn, what should be the first thing to be examined in an attempt to solve the fly problem?$
A.	Cow feeding procedures
B.	Milking procedures
C.	Manure handling procedures
D.	Calf feeding procedures
Answer» D. Calf feeding procedures