Trading was relatively steady heading into the holiday weekend. Poultry fat prices did move higher into the Eastern market as Saturday and Monday downtimes are expected to tighten nearby supply and a few buyers have added on loads for coverage. Choice white grease prices continue to move lower out of the Missouri River market with trading done lower on an FOB basis. Hog slaughter is nearing the 400,000 head per week mark, estimated at 397,000 head today. The increased…