2 - Soil minerals for birds:
Nowadays there is also compost specially balanced for birds for sale, under the name AVI TERRA. It's definitely worth a try. During the resting and moulting period it is a welcome addition to your birds' ration, and it helps to keep the pH value of the intestinal tract in balance. These bird minerals are also available in Belgium, including from P. Hens and other suppliers. Avi Terra:
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