Hartz Delectables Chowder with Chicken & Tuna is a blend with real chicken and real tuna in a creamy sauce for a lickable treat your cat will crave. Hartz.com. Unicharm. Calorie Content: 500 kcal ME/kg (calculated). Calories per Pack: 20 kcal ME/40 g. Delectables Chowder Lickable Treats are intended for intermittent and supplemental feeding only; this product may be fed daily along with a complete and balanced cat food diet. Product of Thailand.