Class I decreased and Class III increased which means the PPD with decrease.  Fat increased a little but Protein and Other solids were the big winners.

I II III IV Fat Protein Other Solids
May 17.89 14.47 15.18 14.57 2.6239 1.8609 0.0742
June 18.70 15.48 15.21 14.91 2.6692 1.7478 0.1128
July 18.81 15.20 14.10 14.14 2.5287 1.4827 0.1422
August 17.60 15.07 14.95 14.63 2.6009 1.6245 0.1741
Change -1.21 -0.13 0.85 0.49 0.0722 0.1418 0.0319