scholarly journals Seasonality Study of Penaeus vannamei Shrimp Shells from Aquaculture

2016 ◽  
Vol 18 (Especial) ◽  
pp. 487-493 ◽  
Author(s):  
A.S.R.R.M. Cavalcanti ◽  
M.E.C. Rosa ◽  
C. Cavalcanti ◽  
H.M. Lisboa
Keyword(s):  
Penaeus Vannamei ◽  
Shrimp Shells

scholarly journals The effect of salinity on enterocytozoon hepatopenaei infection in Penaeus vannamei under experimental conditions

2021 ◽  
Vol 17 (1) ◽  
Author(s):  
L. F. Aranguren Caro ◽  
F. Alghamdi ◽  
K. De Belder ◽  
J. Lin ◽  
H. N. Mai ◽  
...  
Keyword(s):  
Penaeus Monodon ◽  
Oral Route ◽  
Western Hemisphere ◽  
Penaeus Vannamei ◽  
Asian Countries ◽  
Experimental Conditions ◽  
Reliable Source ◽  
Specific Pathogen ◽  
Enterocytozoon Hepatopenaei ◽  
First Time

Abstract Background Enterocytozoon hepatopenaei (EHP) is an enteric pathogen that affects Penaeus vannamei and Penaeus monodon shrimp in many SE Asian countries. In the western hemisphere, EHP was reported for the first time in 2016 in farmed P. vannamei in Venezuela. Anecdotal evidence suggests that EHP is more prevalent in grow-out ponds where the salinity is high (> 15 parts per thousand (ppt)) compared to grow-out ponds with low salinities (< 5 ppt). Considering that P. vannamei is an euryhaline species, we were interested in knowing if EHP can propagate in P. vannamei in low salinities. Results In this study, we described an experimental infection using fecal strings as a source inoculum. Specific Pathogen Free (SPF) P. vannamei were maintained at three different salinities (2 ppt, 15 ppt, and 30 ppt) while continuously challenged using feces from known EHP-infected P. vannamei over a period of 3 weeks. The fecal strings, used as a source of EHP inocula in the challenges, was sufficient to elicit an infection in shrimp maintained at the three salinities. The infectivity of EHP in shrimp reared at 2 ppt, 15 ppt, and 30 ppt salinities was confirmed by PCR and histopathology. The prevalence and the severity of the EHP infection was higher at 30 ppt than at 2 ppt and 15 ppt. Conclusion The data suggests that fecal strings are a reliable source of EHP inoculum to conduct experimental challenges via the fecal-oral route. An EHP infection can occur at a salinity as low as 2 ppt, however, the prevalence and the severity of the EHP infection is higher at a salinity of 30 ppt.

The effect of natural and artificial periphytic substrates with biofloc system on shrimp Penaeus vannamei (Boone 1931) culture: growth and immune response

2021 ◽  
Author(s):  
Sundaram Mani ◽  
Sivakumar Mullaivanam Ramasamy ◽  
Saranya Chakrapani ◽  
Ambiganandam Krishna ◽  
Shyne Anand P.S ◽  
...  
Keyword(s):  
Immune Response ◽  
Penaeus Vannamei ◽  
Culture Growth

Responses of energy homeostasis and lipid metabolism in Penaeus vannamei exposed to ammonia stress

Aquaculture ◽  
2021 ◽  
pp. 737092
Author(s):  
Teng Wang ◽  
Wenheng Li ◽  
Hongwei Shan ◽  
Shen Ma
Keyword(s):  
Lipid Metabolism ◽  
Energy Homeostasis ◽  
Penaeus Vannamei ◽  
Ammonia Stress

scholarly journals 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

Biology ◽  
2021 ◽  
Vol 10 (4) ◽  
pp. 280
Author(s):  
Linh Nguyen Thi Truc ◽  
Tuu Nguyen Thanh ◽  
To Tran Thi Hong ◽  
Day Pham Van ◽  
Minh Vo Thi Tuyet ◽  
...  
Keyword(s):  
Lactic Acid ◽  
Survival Rate ◽  
Lactic Acid Bacteria ◽  
Vibrio Parahaemolyticus ◽  
Control Group ◽  
Penaeus Vannamei ◽  
Growth And Survival ◽  
Acute Hepatopancreatic Necrosis Disease ◽  
Nitrogen Phosphorus ◽  
Shrimp Health

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.

scholarly journals Effect of Noni, Morinda citrifolia fruit extract supplementation on the growth performances and physiological responses of the hepatopancreas of Whiteleg shrimp, Penaeus vannamei Post Larvae

2021 ◽  
Vol 21 ◽  
pp. 100798
Author(s):  
Julia Hwei Zhong Moh ◽  
Khor Waiho ◽  
Hanafiah Fazhan ◽  
Noorbaiduri Shaibani ◽  
Hidayah Manan ◽  
...  
Keyword(s):  
Physiological Responses ◽  
Morinda Citrifolia ◽  
Penaeus Vannamei ◽  
Fruit Extract ◽  
Growth Performances ◽  
Whiteleg Shrimp

scholarly journals Synthesis method of chitin become chitosan polymer from shrimp shells for enhanced oil recovery

2021 ◽  
Vol 737 (1) ◽  
pp. 012048
Author(s):  
R Setiati ◽  
S Siregar ◽  
D Wahyuningrum ◽  
A Rinanti
Keyword(s):  
Enhanced Oil Recovery ◽  
Oil Recovery ◽  
Synthesis Method ◽  
Shrimp Shells

Characterization of a novel shrimp pathogen, Vibrio brasiliensis , isolated from Pacific white shrimp, Penaeus vannamei

2021 ◽  
Author(s):  
Ge Li ◽  
Guosi Xie ◽  
Hailiang Wang ◽  
Xiaoyuan Wan ◽  
Xinshu Li ◽  
...  
Keyword(s):  
Pacific White Shrimp ◽  
White Shrimp ◽  
Penaeus Vannamei

Establishment of successive co-fermentation by Bacillus subtilis and Acetobacter pasteurianus for extracting chitin from shrimp shells

2021 ◽  
Vol 258 ◽  
pp. 117720
Author(s):  
Qiao Zhang ◽  
Liuyan Wang ◽  
Shiguo Liu ◽  
Yongcheng Li
Keyword(s):  
Bacillus Subtilis ◽  
Acetobacter Pasteurianus ◽  
Shrimp Shells
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