Effects of Dietary Calcium and Magnesium Levels on the Growth Performance, Tissue Mineral Deposition, Exoskeleton Development, and Molting Performance of Chinese Mitten Crab (<i>Eriocheir sinensis</i>).

At 1% calcium level groups, the relative collagen area showed a decreasing trend with increasing magnesium levels, while at 2% calcium level groups, increasing the magnesium level elevated the relative collagen area.

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Hepatopancreas calcium content showed an increasing trend with rising magnesium levels, while calcium content in muscle and the exoskeleton first decreased then increased.

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