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논문검색

Dietary supplementations of Bacillus probiotic improve digestibility, growth performance, innate immunity, and water ammonia level for Pacific white shrimp, Litopenaeus vannamei

초록

영어

This study was conducted to evaluate the dietary supplementation of two Bacillus spp. on digestibility, growth performance, innate immunity, and water ammonia level of Litopenaeus vannamei. A control diet was made without the probiotic supplementation, and four other diets were prepared by including B. subtilis (BS) alone (0.1 × 1010 and 0.2 × 1010) or a mixture of BS and B. pumilus (BP) (0.1 × 1010 and 0.2 × 1010). Quadruplicate groups of shrimp (0.14 g) were hand-fed one of the diets for 8 weeks. Shrimp fed diets containing Bacillus spp. showed significantly higher apparent digestibility coefficient of protein and dry matter than shrimp fed the control diet. The growth performance was significantly improved in shrimp fed higher dose (0.2 × 1010) of the Bacillus spp. compared to the control group. Innate immunity of shrimp fed the probiotic diets was significantly enhanced compared to the control group. In a water ammonia test, culture water of the probiotic diets had lower total ammonia concentration than that of the control diet. The results in this study suggest that Bacillus spp. can positively affect digestibility, growth performance, feed efficiency, innate immunity, and water quality for L. vannamei.

목차

Abstract
Introduction
Materials and methods
Experimental diets
Shrimp and feeding trial
Sample collection and analyses
Digestibility test
Water ammonia test
Statistical analysis
Results
Discussion
References

저자정보

  • Chorong Lee Department of Marine Life Sciences, Jeju National University, Jeju, Jeju Self-Governing Province 63243, Republic of Korea
  • Soohwan Kim Department of Marine Life Sciences, Jeju National University, Jeju, Jeju Self-Governing Province 63243, Republic of Korea
  • Jaehyeong Shin Department of Marine Life Sciences, Jeju National University, Jeju, Jeju Self-Governing Province 63243, Republic of Korea
  • Min-Gi Kim Department of Marine Life Sciences, Jeju National University, Jeju, Jeju Self-Governing Province 63243, Republic of Korea
  • Buddhi E. Gunathilaka Department of Marine Life Sciences, Jeju National University, Jeju, Jeju Self-Governing Province 63243, Republic of Korea
  • Sung Hun Kim CJ Cheiljedang Ltd., Seoul, Republic of Korea
  • Ji Eun Kim CJ Cheiljedang Ltd., Seoul, Republic of Korea
  • Seung-Cheol Ji Jeju Sea Fisheries Research Institute, National Institute of Fisheries Science, Jeju, Jeju Self-Governing Province 63068, Republic of Korea
  • Jee Eun Han College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Republic of Korea
  • Kyeong-Jun Lee Department of Marine Life Sciences, Jeju National University, Jeju, Jeju Self-Governing Province 63243, Republic of Korea;Marine Science Institute, Jeju National University, Jeju, Jeju Self-Governing Province 63333, Republic of Korea

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