Crop rotation with penaeid shrimp (Penaeus monodon).

2020 ◽  
Author(s):  
Khandaker Huq ◽  
Shafiqur Rahman
Keyword(s):  
Crop Rotation ◽  
Penaeus Monodon ◽  
Penaeid Shrimp ◽  
Viral Disease ◽  
Shrimp Farming ◽  
Shrimp Culture ◽  
Usual Practice ◽  
Pests And Diseases ◽  
Risk Of Disease ◽  
Brackish Water Fish

Abstract In crop rotation different crops may be cultivated within the same year to rejuvenate the environment and reduce pests and diseases. Crop rotation in shrimp farming is not popular in Bangladesh as the shrimp bagda (Penaeus monodon) is much more profitable than growing rice or farming brackish water fish. In traditional and improved traditional farms, it is usual practice to stock seed and harvest shrimp year-round. Viral disease occurred in the 1990s and caused mass mortality of penaeid shrimp. To minimise the risk of disease, there is a need to apply crop rotation techniques of shrimp with rice and finfish on farms in coastal areas, as is carried out by some farmers. Shrimp culture is generally done in the dry season (February-June) when water salinity increases (>10ppt) and ceases in the rainy season (July-August) when salinity decreases (<5ppt) because of heavy rainfall. Depending on salinity, some farmers produce two crops. During February-June they produce shrimp and subsequently they produce rice or freshwater fish.

Penaeid shrimp (Penaeus monodon) culture in Bangladesh.

2020 ◽  
Author(s):  
Khandaker Huq ◽  
Shafiq-ur-Rahman
Keyword(s):  
Rural Areas ◽  
Saline Water ◽  
Economic Value ◽  
Penaeus Monodon ◽  
Penaeid Shrimp ◽  
Shrimp Farming ◽  
Grazing Land ◽  
Shrimp Culture ◽  
Saline Water Intrusion ◽  
Employment Generation

Abstract The shrimp (Penaeus monodon), locally known as bagda, is known as white gold for its high economic value in Bangladesh. The shrimp sector of Bangladesh is seen as having become important in economic terms, contributing significantly to foreign exchange earnings and employment generation in rural areas. P. monodon culture is practiced in the Bagerhat, Chokoria, Cox's Bazar, Khulna, Moheshkhali, Shatkhira and Teknaf regions and recently has been introduced in some coastal areas of Noakhali district. Three culture systems are found in Bangladesh, i.e. traditional, improved traditional and semi-intensive with production rates of 150-200, 250-400 and 2,000-2500 kg ha-1, respectively. Seed is collected from natural sources and is produced in hatcheries. There are 44 penaeid shrimp hatcheries in Bangladesh. The present shrimp fry production is 3.05 billion. More than 200,000 people are engaged in shrimp fry collection and marketing and more than 350,000 people are engaged in shrimp farming. Ancillary industries like shrimp hatcheries, feed industries, ice factories, processing factories, net industries and shrimp culture apparatus industries provide direct employment for 25,000-30,000 people. Adverse environmental impacts reported are reduction of grazing land and saline water intrusion due to mismanagement but these could be overcome by introducing environmentally friendly shrimp culture. As the climate of Bangladesh is favourable for P. monodon culture, it is necessary to give more attention to improve it as it will open a new horizon in the economy of the country.

IMPACT OF WHITE SPOT SYNDROME VIRUS DISEASE ON GILLS IN SHRIMP, PENAEUS MONODON

2019 ◽  
Vol 25 (1) ◽  
Author(s):  
C.A. JAWALE ◽  
B.J. UGALE
Keyword(s):  
White Spot Syndrome Virus ◽  
Virus Disease ◽  
Penaeus Monodon ◽  
Penaeid Shrimp ◽  
Shrimp Farming ◽  
Protozoan Parasites ◽  
Shrimp Culture ◽  
Histological Changes ◽  
Histological Techniques ◽  
Gill Cells

Protozoan parasites cause problems in Penaeid shrimp culture and major impact on the shrimp farming industry.White spot syndrome virus (WSSV) is a major shrimp pathogen that also infects Penaeus monodon species was selected. Histological changes in the gill cells were studied. Histological techniques using paraffin embeded tissues as well as frozen tissues were used for identification of WSSV infection. Histological manifestation such as gill cells could be detected. The gill cells were marked and characteristic of WSSV infections were observed. The present investigation was focused on the virus infecting shrimp. The microscopic examinations of the histological preparation are presently used to detect WSSV zoothamnium.

scholarly journals Challenges in Controlling Vibriosis in Shrimp Farms

2021 ◽  
Author(s):  
Hethesh Chellapandian ◽  
Jeyachandran Sivakamavalli ◽  
A. Vijay Anand ◽  
Balamuralikrishnan Balasubramanian
Keyword(s):  
Environmental Factors ◽  
Penaeid Shrimp ◽  
Vital Role ◽  
Shrimp Farming ◽  
Green Water ◽  
Shrimp Culture ◽  
Promising Alternative ◽  
Bacterial Diseases ◽  
Live Feeds ◽  
The Impact

Recently the shrimp farming has blooming as a crucial counterpart in the aquaculture industry which contribute the remarkable role in sea food production as well economy of the country. However, this could be fluctuated every year through several circumstances such as unfavorable (Poor water and soil quality) environmental factors. The environmental factors includes disease causing bacterial pathogens in the soil and water which causes the bacterial diseases in the aquatic animals, like this hectic problems are prevented through bioaugmentation strategies. The pond environment plays a vital role in determining the healthy culture system, but there is high risk for manipulation by bacterial community which takes care of waste generated in the system through in situ bioremediation. Due to the impact of rapidly growing bacterial diseases of shrimps throughout the world, numerous studies have been carried out to find immunostimulants, immunomodulators and biotic component that can be used against vibrio causing pathogens, and can also be used as an alternative for antibiotics. Recent research focus towards the marine resources such as microalgae, seaweed, live feeds (like artemia, copepods, rotifers), bacteriophage, and probiotics have been found to have higher potential in reducing vibriosis. Eco-based shrimp farming includes green water technology, phage therapy bio-floc technology (BFT) and integrated multi-trophic aquaculture (IMTA), these methods hold a promising alternative to antibiotics in the near future. Bacterial diseases caused by vibrios have been reported in penaeid shrimp culture systems implicating at least 14 species and they are Vibrio harveyi, V. splendidus, V. parahaemolyticus, V. alginolyticus, V. anguillarum, V. vulnificuslogei etc.

scholarly journals Efficacy of Probiotics and Bioflocs on the Production Performance of Tiger Shrimp Penaeus monodon and Pacific White Shrimp Litopenaeus vannamei during Polyculture Operation

2021 ◽  
pp. 15-28
Author(s):  
K. Sirisha ◽  
Y. Aparna ◽  
M. Srinivasulu Reddy
Keyword(s):  
Growth Rates ◽  
Litopenaeus Vannamei ◽  
Penaeus Monodon ◽  
Pacific White Shrimp ◽  
Mass Mortality ◽  
Shrimp Farming ◽  
Probiotic Bacteria ◽  
White Shrimp ◽  
Production Rates ◽  
Shrimp Culture

Shrimp culture has been developed during the last three decades and the production of farmed shrimp reached its peak. However, the shrimp production was decreased all over the World including in Asian Countries because of the mass mortality due to the outbreak of several diseases predominantly White Spot Syndrome Virus (WSSV) which caused extensive economic damage to the shrimp culture industry. Various Polyculture technologies of shrimp with shellfish, finfish or seaweeds have been implemented to reduce economic damages by mass mortality of shrimp. The present study was conducted with Tiger shrimp Penaeus monodon and Pacific white shrimp Litopenaeus vannamei through Polyculture operation to determine optimum stocking ratios for induction of best performance and highest production rates. Initially, the experiments were conducted with different ratios and combinations of stocking densities 1:1, 2:1 and 1:2 ratios of Penaeus monodon and Litopenaeus vannamei with control group feed with commercial feed, the other group certain Probiotic bacteria such as Bacillus licheniformis and Lactobacillus rhamnosus added in feed, the third group both the Probiotic bacteria and the addition of external Carbon source from sugarcane molasses in the form of Bioflocs for 100 days. To ascertain further interaction of ratios influence, 20:10, 20:12, 20:15 ratios of stocking and Monoculture experiments were conducted. In both the experiments the Survival rate, Final body weights, Weight Gain, Feed conversion ratio, Specific growth rates, Average daily growth rates, Protein efficiency ratio, and Productivity rates were significantly different (P<0.05) in all the different treatments both for P. monodon and L. vannamei. From the results obtained 20:10 ratio of P. monodon and L. vannamei was considered as the best ratio of stocking, which yielded the highest production rates in all the Control, Probiotic added and both Probiotic & Biofloc added groups. The results obtained in the present study clearly demonstrate that the rearing of taxonomically similar species with optimum stocking ratios seems to improve the efficiency of shrimp farming and substantially increasing the production rates. So, this polyculture of P. monodon and L. vannamei can be considered as an alternative approach towards the establishment of sustainable shrimp farming activity which will yield good economic returns.

scholarly journals Shrimp culture packages in southwestern Bangladesh

2012 ◽  
Vol 19 ◽  
pp. 53-57
Author(s):  
D Sarkar ◽  
MAB Sayeed ◽  
GS Hossain ◽  
KA Huq
Keyword(s):  
Survival Rates ◽  
Penaeus Monodon ◽  
Stocking Density ◽  
Penaeid Shrimp ◽  
Culture Technique ◽  
Net Income ◽  
Intensive Culture ◽  
Daily Growth ◽  
Shrimp Culture ◽  
Supplementary Feed

Context: The study was conducted under the technical support of ATDP-II in Bagerhat District, from July to November 2005 on traditional, closed, and semi-intensive culture packages of penaeid shrimp (Penaeus monodon). Objective: The objective of the study was to compare the management, technical and economic aspects of three different shrimp culture packages. Materials and Methods: Post larval nursing was done for 30 days at a density of 50 PL/m2. Culture was done for 120 days at a density of 2.11, 7.37 & 11.56 individuals/m2 in traditional, closed, and semi-intensive ponds respectively. Shrimp PL were fed CP feed (40 % protein) at a rate of 2kg for 100,000 PL, but no supplementary feed was used in traditional ponds. Results: The highest average daily growth (0.263±0.026 g/day) was found in traditional culture; while in closed, and semi-intensive system it was lower (0.226±0.023 and 0.239±0.022 g/day respectively) due to high stocking density and feed competition. Survival rates were found 49.14±5.94, 57.94±8.01 and 60.07±10.98 % which yielded 327.23±24.14, 1158.07±134.76, 1991.57±232.70 kg/ha in traditional, closed, and semi-intensive ponds respectively. Net income was calculated 47932.18 Tk/ha from traditional, 178779.2 Tk/ha from closed, and 312736.8 Tk/ha from semi-intensive culture. Conclusion: The study suggests that instead of horizontal expansion of traditional shrimp cultivation, healthy management and improved culture technique are very much important to increase shrimp production in Bangladesh. DOI: http://dx.doi.org/10.3329/jbs.v19i0.13001 J. bio-sci. 19 53-57, 2011

scholarly journals Acute Hepatopancreases Necrosis Diseases (AHPND) as Challenging Threat in Shrimp

2021 ◽  
Vol 12 (1) ◽  
pp. 978-991
Keyword(s):  
Litopenaeus Vannamei ◽  
Clinical Symptoms ◽  
Severe Disease ◽  
Penaeus Monodon ◽  
Penaeid Shrimp ◽  
Case Definition ◽  
Pacific White Shrimp ◽  
Shrimp Farming ◽  
White Shrimp ◽  
The Pacific

White feces syndrome (WFS) is an emerging problem for penaeid shrimp farming industries in South East Asia countries. Outbreaks began in cultivated shrimp Penaeus (Penaeus) monodon, and Penaeus (Litopenaeus) vannamei and spread progressively worldwide, although the disease's cause was unknown. In 2011 a case definition for AHPND (as acute hepatopancreatic necrosis diseases) and white fecal syndrome (WFS) were reported. The presence of white feces floating on water and clinical symptoms include pale empty gut region, reduced growth, movable shell, and black discoloration. The pacific white shrimp, Litopenaeus vannamei, with the major shrimp cultivable species globally, is currently in danger by a severe disease- WFS, which causes serious losses worldwide. It has been confirmed that the causative agent of WFS/AHPND is a bacterium that is a pathogen - probably Vibrio parahaemolyticus. This bacterium currently reported has acquired plasmids that encode lethal binary toxins PirA/PirB causing rapid death of infected shrimp. Additionally, this plasmid acquired some virulence factor which is directly related to pathogenicity. Further rapid diagnostic tests for early detection of WFS/AHPND pathogens will promote the production of hatchery and pond maintenance and contribute to the long-term explication of the disease's various aspects.

Inland shrimp farming in Thailand.

2020 ◽  
Author(s):  
Chang Lin
Keyword(s):  
Penaeus Monodon ◽  
Disease Outbreaks ◽  
Shrimp Farming ◽  
White Shrimp ◽  
Natural Seawater ◽  
Great Success ◽  
Peak Period ◽  
Shrimp Culture ◽  
Low Salinity ◽  
Shrimp Production

Abstract In Thailand, marine shrimp was traditionally produced extensively for decades in coastal ponds. The insatiable global demand for shrimp products in recent years intensified and expanded shrimp culture in Thailand throughout the 1990s. Few regulations or guidelines were imposed on developing coastal land for shrimp farming. The boom resulted in rapid degradation of the coastal environment and widespread disease outbreaks, causing repeated crop failures in shrimp culture. In contrast, shrimp cultured in low-salinity ponds away from the coast experienced great success. As a result, thousands of hectares of rice paddies in the Thai heartland distant from the seacoast were converted to low-salinity shrimp farming. Large quantities of high-salinity brine (100-200 ppt) were transported from coastal salt pans to fill inland ponds to a salinity less than 5 ppt. Other than the salinity difference, low-salinity shrimp culture was generally similar to that in the coastal ponds. Shrimp were stocked at high density (50-100 PLs m-2) in a closed system. The shrimp production commonly exceeded 10 t ha-1 crop-1 in 3-4 months. During the peak period, shrimp production from inland areas accounted for nearly 40% of total annual production of shrimp at 200,000 t in Thailand. As the economic gain from shrimp production was more than 50-fold that of the rice crop, shrimp culture was regarded as a bonanza for debt-ridden rice farmers. However, inland shrimp farming was short-lived, as the Thai government banned the practice in 1993 on the grounds that it led to salination of soil and groundwater, and ultimately jeopardized the national rice bowl. Despite the ban, low-salinity shrimp farming still exists in areas where intrusion of natural seawater occurs. However, with persistent disease problems encountered in culturing native Penaeus monodon, the exotic white shrimp (Litopenaeus vannamei) has become the major species.

Shrimp farming systems in Hai Phong, Vietnam.

2020 ◽  
Author(s):  
Dao Huy Giap
Keyword(s):  
Penaeus Monodon ◽  
Farming Systems ◽  
Southwest Monsoon ◽  
Climatic Conditions ◽  
Shrimp Farming ◽  
Scylla Serrata ◽  
Northeast Monsoon ◽  
Shrimp Culture ◽  
Black Tiger Shrimp ◽  
Tiger Shrimp

Abstract Hai Phong province is one of the main shrimp culture areas in north Vietnam. Its climate is influenced by two monsoon regimes. The April-September southwest monsoon is wet and hot, and the temperature is suitable for shrimp culture. The October-March northeast monsoon is dry and cold, and the temperature is not suitable for shrimp culture. Different shrimp farming systems take place along the entire coast depending on socio-economic and climatic conditions, seed availability, and farming methods to minimize the operating risk. The main cultured species in Hai Phong is black tiger shrimp, Penaeus monodon. The shrimp are either cultured in monoculture or integrated or cultured alternatively with mud crab (Scylla serrata), greasyback shrimp (Metapenaeus ensis)and seaweeds (Gracilaria gracilis and G. blodgettii). The main crop of black tiger shrimp is from April to September, when about 15% of farms practice integrated shrimp-seaweed culture and 85% of farms practice shrimp monoculture. Additional crops of shrimp or mud crabs are cultured during other months from September to March, while seaweed production is integrated with shrimp or crabs all year. Thus, four main shrimp farming systems can be found in Hai Phong: Single-crop shrimp farming, double-crop shrimp farming, shrimp-crab rotation farming, and integrated shrimp-seaweed-crab farming.

scholarly journals Antimicrobial Susceptibility of Vibrio Species Isolated From Brackish Water Shrimp Culture Environment

2012 ◽  
Vol 36 (2) ◽  
pp. 213-220
Author(s):  
M S Hossain ◽  
M Aktaruzzaman ◽  
A N M Fakhruddin ◽  
M J Uddin ◽  
S H Rahman ◽  
...  
Keyword(s):  
Antimicrobial Susceptibility ◽  
Penaeus Monodon ◽  
Vibrio Species ◽  
Shrimp Farming ◽  
Multi Drug Resistance ◽  
Resistant Bacteria ◽  
Shrimp Culture ◽  
Antibiotic Resistant ◽  
Culture Environment ◽  
Academy Of Sciences

A comparative study regarding prevalence and antimicrobial susceptibility of Vibrio species in   the black tiger shrimp (Penaeus monodon Fabricius) culture environment as well as market samples   were analyzed. Total Vibrio counts were found to range up to 2.5 × 103 cfu/gm and 60 cfu/gm in   shrimp and Gher water samples, respectively. Results revealed that the total vibrio count were found to be higher in samples taking from the market shops in Dhaka city than Gher shrimp samples and the live shrimps were not contaminated with Vibrio species but dead shrimps were   found contaminated, which were collected from shrimp Gher. In the antimicrobial susceptibility test, highest 28.57% resistance among total Vibrio isolates was observed to penicillin and cephalexin. Among the seven isolates of Vibrio species from Gher water sample one isolate displayed multi-drug resistance (MDR). The main reason of antibiotic resistance could be the indiscriminate application of antibiotics in shrimp farming and release of shrimp pond effluent to estuarine ecosystems or post harvest contamination of shrimps with the antibiotic resistant bacteria   through the environment and human handling. DOI: http://dx.doi.org/10.3329/jbas.v36i2.12964 Journal of Bangladesh Academy of Sciences, Vol. 36, No. 2, 213-220, 2012

scholarly journals PERFORMA BUDIDAYA UDANG WINDU (Penaeus monodon) PADA MUSIM KEMARAU DI TAMBAK KECAMATAN MARUSU KABUPATEN MAROS

2021 ◽  
Vol 16 (1) ◽  
pp. 45
Author(s):  
Andi Akhmad Mustafa ◽  
Andi Indra Jaya Asaad ◽  
Dominggus Linthin
Keyword(s):  
Survival Rate ◽  
Penaeus Monodon ◽  
Dry Season ◽  
Shrimp Farming ◽  
Average Weight ◽  
Feed Conversion ◽  
Shrimp Culture ◽  
South Sulawesi ◽  
Tiger Shrimp ◽  
Aquaculture Development

Salah satu program dari Gubernur Sulawesi Selatan periode 2018-2023 adalah mengembalikan kejayaan udang windu di Sulawesi Selatan. Telah dilakukan kegiatan yang bertujuan mengetahui performa budidaya udang windu di tambak pembudidaya yang dilaksanakan pada musim kemarau tahun 2019 di Kecamatan Marusu Kabupaten Maros. Kegiatan budidaya udang windu teknologi tradisional plus dilaksanakan di tambak Dusun Kurilompo, Desa Nisombalia Kecamatan Marusu Kabupaten Maros. Sebanyak enam petak tambak pembudidaya ditebari tokolan udang windu dengan padat penebaran dari 10.000 sampai 30.000 ekor/ha. Setelah dipelihara selama 69 sampai 80 hari dilakukan panen dan selanjutnya dilakukan penentuan sintasan, bobot rata-rata, produksi udang windu, dan rasio konversi pakan (RKP). Data yang diperoleh dianalisis secara deskriptif. Hasil kegiatan menunjukkan bahwa kualitas air di tambak Kecamatan Marusu, Kabupaten Maros pada musim kemarau dicirikan dengan salinitas yang berkisar antara 36,63-69,40 ppt; suatu kondisi yang tidak optimal untuk budidaya udang windu. Pada saat panen didapatkan sintasan udang windu dari 27,57% sampai 66,67%; bobot rata-rata dari 14,29-40,00 g/ekor; produksi dari 90,1-800,0 kg/ha/musim; dan RKP dari 0,54:1 sampai 2,10:1. Disimpulkan bahwa budidaya udang windu di tambak bersalinitas tinggi di daerah ini merupakan penyebab utama rendahnya sintasan, bobot rata-rata, produksi udang windu, dan RKP. Direkomendasikan bahwa perbaikan budidaya udang dengan menjaga tingkat salinitas dalam nilai optimal harus disosialisasikan kepada pembudidaya udang windu di daerah tersebut.One of the main aquaculture development targeted by the South Sulawesi Province for the period 2018-2023 is to restore the glory of tiger shrimp farming in South Sulawesi. The recent study was carried out to uncover redevelopment opportunities of tiger shrimp culture and determine the performance of tiger shrimp culture in the farmers’ ponds. The study was performed during the dry season in Marusu Subdistrict Maros District, in 2019. Traditional plus tiger shrimp farming activities were carried out in the ponds of Kurilompo Subvillage, Nisombalia Village, Marusu Subdistrict, Maros District. A total of six brackishwater ponds were stocked with tiger shrimp fingerling with stocking densities of 10,000-30,000 ind./ha. After being cultured for 69 to 80 days, the shrimp were harvested and measured their survival rate, average weight, production of tiger shrimp, and feed conversion ratio (FCR). The data obtained were analyzed with descriptive statistics. The results showed that water quality in brackishwater ponds of Marusu Subdstrict Maros District, in the dry season is characterized by salinity ranging from 36.63 to 69.40 ppt, a condition that is not optimal for tiger shrimp culture. At harvest, the survival rate, average weight, production, and FCR of the farmed average tiger shrimp were 27.57%-66.67%, 14.29-40.00 g/ind., 90.1-800.0 kg/ha/season, and 0.54:1-2.10:1, respectively. It is concluded that the culture of tiger shrimp in the brackishwater ponds with high salinity in this area is the primary cause of poor survival rate, average weight, production of tiger shrimp, and FCR. It is recommended that culture shrimp improvement via maintaining salinity level within the optimal values has to be disseminated to the fish farmers in the area.

Sign in / Sign up

Export Citation Format

Share Document