£170 a bag? Protein users squeezed as prices soar bbc.comOPINION: Milk price creeps up but so does feed price farmersguardian.comDairy Markets in Motion: What’s Driving Butter, Cheese, Powder and Protein Prices? Food Industry ExecutiveWhey suppliers racing to catch up with protein demand Food Business NewsThe protein glut is challenging dairy’s tight milk pool dairyreporter.com