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<p>Probiotics represent a sustainable alternative to antibiotics in shrimp aquaculture, potentially improving water quality, enhancing nutrient availability, and controlling pathogenic bacteria. Sanolife® MIC (S-MIC), a commercial probiotic formulation developed specifically for marine invertebrate culture, shows potential benefits, but its optimal dosage across different larval developmental phases remained undetermined. This 23-day study evaluated how various concentrations of Sanolife® MIC affect Pacific whiteleg shrimp, <i>Penaeus vannamei</i>, larval development, growth performance, and microbial composition from nauplii to postlarval stage 15 (PL-15). The experimental design tested three different S-MIC concentrations (1, 5, and 30&#xa0;g/m<sup>3</sup>/day) applied from nauplii to PL-15. Development parameters including growth rate, weight gain, morphological development, stress resistance, and microbial presence were evaluated. Results demonstrated that S-MIC supplementation at 1&#xa0;g/m<sup>3</sup>/day significantly accelerated larval development to PL-1 stage. The highest concentration (5 and 30&#xa0;g/m<sup>3</sup>/day) significantly improved larval weight at PL-6 compared to lower concentrations. Additionally, all S-MIC-treated groups exhibited significantly reduced <i>Vibrio</i> counts in both culture water and shrimp larvae. This study demonstrates that S-MIC supplementation provides concentration-specific benefits: 1&#xa0;g/m<sup>3</sup>/day for accelerated early development and 5–30&#xa0;g/m<sup>3</sup>/day for enhanced growth and robust <i>Vibrio</i> control in commercial shrimp hatcheries. These findings provide promising preliminary evidence for the strategic application of Sanolife® MIC in larval production while highlighting the need for further studies to elucidate underlying physiological mechanisms.</p>

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Early-stage performance evaluation of Sanolife® MIC in enhancing shrimp larval development and reducing pathogenic Vibrio under hatchery conditions

  • 期刊论文

  • 发表日期：

    2025年8月26日

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  • Siriwan Khidprasert,
  • Chanadda Kasamechotchung,
  • Rungkarn Suebsing,
  • Kallaya Sritunyalucksana,
  • Olivier Decamp,
  • Andrew P. Shinn,
  • Ratchakorn Wongwaradechkul,
  • Barbara Hostins

摘要

Probiotics represent a sustainable alternative to antibiotics in shrimp aquaculture, potentially improving water quality, enhancing nutrient availability, and controlling pathogenic bacteria. Sanolife® MIC (S-MIC), a commercial probiotic formulation developed specifically for marine invertebrate culture, shows potential benefits, but its optimal dosage across different larval developmental phases remained undetermined. This 23-day study evaluated how various concentrations of Sanolife® MIC affect Pacific whiteleg shrimp, Penaeus vannamei, larval development, growth performance, and microbial composition from nauplii to postlarval stage 15 (PL-15). The experimental design tested three different S-MIC concentrations (1, 5, and 30 g/m3/day) applied from nauplii to PL-15. Development parameters including growth rate, weight gain, morphological development, stress resistance, and microbial presence were evaluated. Results demonstrated that S-MIC supplementation at 1 g/m3/day significantly accelerated larval development to PL-1 stage. The highest concentration (5 and 30 g/m3/day) significantly improved larval weight at PL-6 compared to lower concentrations. Additionally, all S-MIC-treated groups exhibited significantly reduced Vibrio counts in both culture water and shrimp larvae. This study demonstrates that S-MIC supplementation provides concentration-specific benefits: 1 g/m3/day for accelerated early development and 5–30 g/m3/day for enhanced growth and robust Vibrio control in commercial shrimp hatcheries. These findings provide promising preliminary evidence for the strategic application of Sanolife® MIC in larval production while highlighting the need for further studies to elucidate underlying physiological mechanisms.