Oil spitting out of hose

What is your question?

I own a Isuzu pup engine 2.3 gasoline type year 1991 theres a hose coming out of the right side of the case in the area of the right motor mount its spitting oil I'm losing a quart every 80 miles what is the hose and what does this mean and what do I do to fix this ?.thanks Jim.

What makes this problem better or worse?

Its worse when I turn off the motor

How long has your 1991 Isuzu Amigo had this problem?

6 months