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Shrimp minerals for soft shell, bent body, muscle necrosis and weight gain

Whiteleg shrimp moult every 7–15 days and need plenty of calcium, magnesium and potassium to form a new shell. Mineral deficiency or low alkalinity causes prolonged soft shell, bent body, muscle necrosis and slow growth. Combining night-time pond-applied minerals with feed-mixed minerals is the most effective way to supplement them.

Typical signs

  • Shells take long to harden after moulting, thin and wrinkled shells
  • Bent body, opaque white muscle in the tail
  • Uneven moulting, shrimp stuck in old shells
  • Slow growth, size variation

Treatment steps

  1. Measure alkalinity and raise it to 120–180 mg/L (150–200 mg/L in high-density lined ponds), keeping Ca:Mg at about 1:3 and Ca:K at about 1:1

  2. Apply minerals at around 9–10 pm when shrimp moult

  3. Mix organic minerals into the feed daily

  4. Add vitamin C in hot weather

Exact rates follow each product label and the condition of the pond. Contact thuocthuysannoben@gmail.com or WhatsApp +84 934 246 420 for technical advice.

In-depth guides

Shrimp farming knowledge

Frequently asked questions

Should I use pond-applied or feed-mixed minerals?

Use both. Pond-applied minerals replenish minerals in the water, while feed-mixed minerals let shrimp absorb them directly through the gut.

Do lined ponds need more minerals than earthen ponds?

Yes. Lined ponds receive no minerals from the soil, so minerals must be added more often, especially in high-density culture.

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Distributors, importers and brand owners: tell us what you need and we will reply with prices, specifications and documents within one working day.

+84 934 246 420

WhatsApp / Zalo on the same number, or email thuocthuysannoben@gmail.com

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