Đánh giá hoạt tính của vi khuẩn Lactobacillus từ ruột tôm thẻ chân trắng có tiềm năng probiotic để bổ sung vào thức ăn tôm

Giang, Huỳnh Trường; Uyên, Nguyễn Hoàng Nhật; Hải, Vũ Hùng; Ngân, Phạm Thị Tuyết; Út, Vũ Ngọc

doi:10.22144/ctu.jsi.2020.012

CTU Journal

2020

DOI: 10.22144/ctu.jsi.2020.012

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Đánh giá hoạt tính của vi khuẩn Lactobacillus từ ruột tôm thẻ chân trắng có tiềm năng probiotic để bổ sung vào thức ăn tôm

Huỳnh Trường Giang¹,

Nguyễn Hoàng Nhật Uyên²,

Vũ Hùng Hải³

et al.

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Cited by 3 publications

References 98 publications

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Screening utilization of different natural prebiotic extracts by probiotic Lactobacillus sp. for development of synbiotic for aquaculture uses

Vũ¹,

Phan²,

Pham³

et al. 2021

CTUJS

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The study is aimed to develop a relevant synbiotic to promote growth performance of the whiteleg shrimp, Litopenaeus vannamei. For this, four common natural fiber extracts from Arcera banana, Siamese banana, yellow sweet potato, and white sweet potato were screened for supporting the growth of Lactobacillus sp. which was isolated from whiteleg shrimp intestines with probiotic activity, prebiotic score, and ability to induce bacterial enzyme activities of protease, leu-aminopeptidase, and a-amylase. Results showed that Lactobacillus sp. was able to utilize all extracts from banana and sweet potato as the sole carbon sources. At 24 hours of culture, the growth of Lactobacillus sp. was highest after adding the extract from white sweet potato as the sole carbon source. Considering pathogenic bacteria, including Vibrio parahaemolyticus, white sweet potato extract had the highest prebiotic score with a mean of 0.25 as compared with those of V. harveyi with a mean of 0.16. White sweet potato extract induced the highest activities of protease. These results indicated that white sweet potato extract was more suitable for combining with Lactobacillus sp. as a synbiotic for shrimp culture.

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Screening utilization of different natural prebiotic extracts by probiotic Lactobacillus sp. for development of synbiotic for aquaculture uses

Vũ¹,

Phan²,

Pham³

et al. 2021

CTUJS

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Ảnh hưởng của vi khuẩn Bacillus CM3.1 và Lactobacillus TV3.2 lên chất lượng nước và tăng trưởng của cá tra (Pangasianodon hypophthamus)

Pham¹,

Vũ²,

Vu³

et al. 2022

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Nghiên cứu được thực hiện nhằm đánh giá ảnh hưởng lợi khuẩn Bacillus CM3.1 và Lactobacillus TV3.2 lên chất lượng nước và tăng trưởng của cá tra Pangasianodon hypophthamus. Hệ thống thí nghiệm gồm 12 bể composite chứa 400 L nước ngọt, cá tra (khối lượng ban đầu 0,46±0,01 g) được bố trí mật độ 150 con/bể và theo dõi trong 30 ngày. Nghiên cứu được thực hiện với 4 nghiệm thức, mỗi nghiệm thức lặp lại 3 lần: đối chứng (NT1), không có bổ sung khuẩn; bổ sung khuẩn Lactobacillus TV3.2 trong thức ăn (NT2); bổ sung khuẩn Bacillus CM3.1 trong nước (NT3) và bổ sung kết hợp cả hai chủng khuẩn (NT4). Kết quả cho thấy ở các nghiệm thức bổ sung khuẩn hàm lượng TAN tăng, trong khi N-NO2- và COD giảm đáng kể so với nghiệm thức đối chứng. Các thông số tăng trưởng bao gồm tăng trọng, tốc độ tăng trọng tuyệt đối, tốc độ tăng trọng tương đối, sinh khối và tỉ lệ sống của cá tra cải thiện đáng kể khi bổ sung các chủng lợi khuẩn Bacillus CM3.1 và Lactobacillus TV3.2, đặc biệt là nhóm nghiệm thức bổ sung kết hợp. Như vậy, lợi khuẩn Bacillus CM3.1 và Lactobacillus TV3.2 có tiềm năng phát triển probiotic ứng dụng trong nuôi cá tra thâm canh.

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Effects of Feed Mixed with Lactic Acid Bacteria and Carbon, Nitrogen, Phosphorus Supplied to the Water on the Growth and Survival Rate of White Leg Shrimp (Penaeus vannamei) Infected with Acute Hepatopancreatic Necrosis Disease Caused by Vibrio parahaemolyticus

Truc

Thanh

Hong

et al. 2021

Biology

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This study aimed to evaluate the growth, survival rate, and resistance to acute hepatopancreatic necrosis disease (AHPND) of white leg shrimp (Penaeus vannamei) by using Lactobacillus plantarum, Lactobacillus fermentum, and Pediococcus pentosaceus mixed with feed, and at the same time supplying CNP in a ratio of 15:1:0.1 to the water. As a result, the treatments that shrimp were fed with feed containing lactic acid bacteria (LAB), especially L. plantarum, have increased shrimp growth, total hemocyte cells, granulocyte cells, and hyaline cells significantly (p < 0.05) in comparison to the control group. The supply of CNP to the water has promoted the intensity of V. parahaemolyticus effects on shrimp health and significantly decreased total hemocyte cells, granulocyte cells, and hyaline cells by 30–50% in the period after three days of the challenge, except in L. plantarum treatment, which had only a 20% decrease compared to other treatments. In CNP supplying treatments, the AHPND infected rate and mortality of shrimp were higher than those in other treatments. In summary, the supply of CNP had significantly reduced the shrimp’s immune response and promoted the susceptibility of shrimp to AHPND in both cases of use with and without LAB-containing diets.

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Đánh giá hoạt tính của vi khuẩn Lactobacillus từ ruột tôm thẻ chân trắng có tiềm năng probiotic để bổ sung vào thức ăn tôm

Cited by 3 publications

References 98 publications

Screening utilization of different natural prebiotic extracts by probiotic Lactobacillus sp. for development of synbiotic for aquaculture uses

Screening utilization of different natural prebiotic extracts by probiotic Lactobacillus sp. for development of synbiotic for aquaculture uses

Ảnh hưởng của vi khuẩn Bacillus CM3.1 và Lactobacillus TV3.2 lên chất lượng nước và tăng trưởng của cá tra (Pangasianodon hypophthamus)

Effects of Feed Mixed with Lactic Acid Bacteria and Carbon, Nitrogen, Phosphorus Supplied to the Water on the Growth and Survival Rate of White Leg Shrimp (Penaeus vannamei) Infected with Acute Hepatopancreatic Necrosis Disease Caused by Vibrio parahaemolyticus

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