I need to know the concentration of certain hormones found in regular
cow's milk that we buy in grocery stores. I need especially growth
hormone (also known as somatotropin), prolactin, placental lactogens
and insulin-like growth factors, and estrogens. There is a lot
published on hormones that control milk output; but what I need is the
actual concentrations of hormones in the milk

Cows milk is for growing little cows into big cows.  Mature cows and
bulls eat grass. Mature humans should not drink cows milk, Ain't
right.

Milk ? Hormones.

Kindly link to the following two sites. You will get your answers.

Hormones and Milk:
Full detail is given here
http://www.dairymax.com/rBGH.htm#The%20FDA%20has%20approved

More on Milk:
Milk helps in men's battle with bone loss 
http://www.dairymax.org/health.htm


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concentrations hormones  milk