Lamb Liver Manufactured by Loyalty Pet Treats. Our Australian grass fed lamb treats are AAA quality, superior for aroma, flavour & nutrition. Lamb liver is also great source of zinc and Vitamin B12 which are important for normal growth and a healthy nervous and immune system to fight infections. Manufactured by Loyalty Pet Treats. Our veterinary approved and used Australian grass fed lamb liver is AAA quality. They are the preferred liver treats used at thousands of veterinary clinics across Australia. Superior for aroma, flavour & nutrition. It will certainly keep those tails wagging. Perfect for pets with sensitive tummies, allergies, and skin conditions.