What specific item, typically sold for birds, is often recommended as a non-leaching calcium reservoir for yabbies?
Answer
Cuttlebone
Cuttlebone, which is commonly available in formulations designed for avian health, serves as an excellent, accessible reservoir for calcium within the yabby's aquatic environment. Yabbies possess the instinct to interact with this object by rasping or scraping at it when their bodies signal a heightened need for supplemental calcium. This method is favored because the cuttlebone provides the necessary mineral in a stable form that does not leach excessively or quickly alter water chemistry, allowing the yabby to self-regulate its intake throughout its growth cycle.
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