I helped my Farmer preg test some old cows the other day.  Most ranches do this every year.  We do not.  My Farmer usually is pretty aware of which cows are open (not pregnant), but this year we had a few that he wasn’t sure about; so comes the need for the preg test. How do we preg test a cow you may ask.  No, we do not have them pee on a stick.  Preg testing a cow is done by literally sticking your arm inside the cow and feeling for a calf. Such a glamorous job.  As I said, I helped my Farmer.  I ran the chute.  He stuck…