This morning, all was the same as yesterday evening; 120 ppm and 7.5 pH. This evening when we went out, there was a different "aire" about her. She whickered to Chuck like a mare to a foal (which *Walker does all the time, but *Babe never has). Her teats were more engorged, and she never threatened me with a hoof as I had my hand approach her teats to rub them.
The pre-milk was much easier to express and I got a bit more than 1/8 teaspoon, so progress is being made although the testing was the same as in the morning.
She also seemed, while willing to speak to Chuck that way, more wary of the mares and two geldings in the paddocks next to her. She was flashing a lot of "mare ears" their way.