This Zolcal D Liquid Calcium D3 Supplement 500ml can be sprinkled on food, directly or via drinking water and may treat any Vitamin D3 or calcium deficiencies.
If a Parrot has low levels of calcium it can have negative consequences.
Zolcal-D is a veterinary medicine marketed in accordance with Schedule 6 of the Veterinary Medicines Regulations - Exemptions for small pet animals
