The Best Products AVI SHELL Feed Additives AVI SHELL Composition Each 1 Kg contains: Sodium butyrate: 200000 mgOrganic Calcium: 38880 mgZinc chelated: 21000 mgCopper chelated: 12000 mgManganese chelated: 38655 mgVitamin D3: 2000000 iuCarrier up to: 1000 gm Indications: Improves eggshell quality in layers and breeders.Enhances gut health and liver function in layers, breeders, and broilers.Used to address trace mineral deficiencies. Dosage: For Poultry: 500g per ton of feed