[anonymous]

I understand that the OP would prefer another diet.
In case anyone else is interested, Royal Canin Ultamino received positive reviews at:
https://www.chewy.com/royal-canin-veterinary-diet-ultamino/dp/115611
excerpt from Description below

Canine Ultamino is a highly palatable, highly digestible, complete and balanced hydrolyzed protein diet recommended for adult dogs with food sensitivities
Formulated with low molecular weight peptides to support dermatological and gastrointestinal health
Specifically formulated for use as a short-term elimination feeding and as long-term nutrition for dogs with food sensitivities
Contains optimal amounts of B vitamins and amino acids help to maintain the skin’s natural barrier and a synergistic complex of antioxidants to support immune system health
Made with high quality ingredients using the highest industry standards for manufacturing in Royal Canin’s company-owned plants located in the USA and Canada