Hewitt's brand "Warilba" is Australia's leading premium organic Lamb brand. As Australia's largest organic meat producer, Hewitt leads the way with the brand Warilba raising our lambs on certified organic pastures with no synthetic herbicides or fertilizers. All livestock used for this brand are 100% grass fed and certified organic, meaning we use no synthetic chemicals, no antibiotics, no GMO's and no added hormones. Warilba is also GAP (Global Animal Partnership) step 4 Animal Welfare Certified. Warilba is award winning at the Sydney Royal Rine Foods Show, achieving a silver medal.