Taukhid Taukhid
Research Institute for Freshwater Aquaculture, Bogor

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SURVEY OF VIRAL DISEASES OF PACIFIC WHITE SHRIMP, Litopenaeus vannamei IN INDONESIA Taukhid Taukhid; Hambali Supriyadi; Isti Koesharyani
Indonesian Aquaculture Journal Vol 3, No 1 (2008): (June 2008)
Publisher : Center for Fisheries Research, Agency for Marine and Fisheries Research and Human Resource

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (343.444 KB) | DOI: 10.15578/iaj.3.1.2008.59-68

Abstract

Penaeid shrimp culture is a major contributor to foreign exchange earning in Indonesia. It has significant impact on economic development of fisheries sector, and leads to be one of prime mover to improve social prosperity. However, shrimp industry particularly black tiger shrimp (Penaeus monodon) has been facing unpredictable situation due to disease problem. The main constrain in correlation to the development of shrimp industry is disease outbreak, especially caused by viral agents. White Spot Syndrome Virus (WSSV) occurred in 1994, causing mass mortality of black tiger shrimp almost in all of the middle and western part of Indonesia. Due to the disease problem, it is estimated that in year 2000, more than 50% of shrimp pond were idle. Pacific white shrimp (Litopenaeus vannamei) or “udang vanamei” was introduced to Indonesia at the end of 1999, and released officially in July, 2001. Response of shrimp farmers to the shrimp rapidly accepted and distributed to many provinces in the country. At the end of 2006, distribution of white shrimp culture was encountered in more than 15 provinces. The seeds are mainly produced from hatcheries located in East Java and Lampung. The information of TSV in Indonesia was reported firstly from East Java at the end of 2002, without a clear history. Since then, survey of TSV distribution was conducted intensively in white shrimp production areas. Beside TSV, population of white shrimp coming to Indonesia also susceptible to White Spot Syndrome Virus (WSSV) and Infectious Hypodermal and Hematopoietic Necrosis Virus (IHHNV) infection. A survey with the aim to know significant viral diseases of white shrimp is needed to set up an alternative strategy to control them. The survey was conducted, firstly in the main production centers of white shrimp; and planned to be continued throughout the country. Samples collection, diagnostic method and data compiled in this study were collected from both active and passive surveillance. Diagnosis of viral diseases infecting white shrimp in this study was focused on TSV, WSSV, and IHHNV agents. Polymerase Chain Reaction (PCR) test has been used as a major diagnostic technique in this study. Progress report of the study showed that TSV spreading limited in controlled areas. The study proved that WSSV and IHHNV have been found in cultured white shrimp. All of the diseases mentioned above tend to be a significant constrain of future white shrimp industry in Indonesia, and special attention should be given in order to protect wide-spread of particular disease from infected to uninfected ones. Also, briefly current status of white shrimp culture development in the country will be discussed in this paper.
IMPROVEMENT OF NON SPECIFIC IMMUNE SYSTEM ON COMMON CARP (Cyprinus carpio) AGAINST KOI HERPESVIRUS DISEASE (KHVD) BY ADDITION OF ASCORBIC ACID ON FISH DIET: A FIELD SCALE STUDY Taukhid Taukhid; Desy Sugiani; Angela Mariana Lusiastuti
Indonesian Aquaculture Journal Vol 5, No 1 (2010): (June 2010)
Publisher : Center for Fisheries Research, Agency for Marine and Fisheries Research and Human Resource

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (206.997 KB) | DOI: 10.15578/iaj.5.1.2010.45-51

Abstract

The research with the aim to know the optimal feeding frequency of supplemented ascorbic acid (microencapsulated vitamin C CFC-90) on the dose of 750 mg/kg feed to control Koi Herpesvirus (KHV) disease infecting common carp has been done in field condition. Fish were reared in floating cages with the size of 3.5 m x 3.5 m x 2.0 m and stocking density of 1,250 fish/cage with the size range of ± 10 g/fish. The treatments applied in the research were: (A) daily application, (B) every 3 days application, and (C) without vitamin C addition as the control. Fish test were challenged to KHV infection on the mid cultivation by cohabitation method in the laboratory scale for 2 weeks. Examination on behavior, clinical sign, and mortality of fish test conducted daily. The results showed that the highest survival rate was found on the application of vitamin C every 3 days (60.16%); and followed by every day (52.00%), and the lowest was found on the control group (47.36%).
INFECTIOUS MYONECROSIS VIRUS (IMNV) IN PACIFIC WHITE SHRIMP, Litopenaeus vannamei IN INDONESIA Taukhid Taukhid; Yani Lestari Nur’aini
Indonesian Aquaculture Journal Vol 3, No 2 (2008): (December 2008)
Publisher : Center for Fisheries Research, Agency for Marine and Fisheries Research and Human Resource

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (453.111 KB) | DOI: 10.15578/iaj.3.2.2008.139-146

Abstract

The aquaculture industry in Indonesia has been growing rapidly and plays an important role in rural development and export earning. Penaeid shrimp culture in Indonesia has become a leading export earning in fisheries sector. The main constraint encountered with shrimp culture has always been associated with disease outbreaks, especially, caused by viral agents. The Pacific white shrimp (Litopenaeus vannamei) was unofficially introduced to Indonesia in 1999, and officially approved by Indonesian government in 2001. By the end of 2007, the Pacific white shrimp has been cultured in more than 17 provinces. The Taura Syndrome (TS) disease was detected in Indonesia in 2002, and the disease is currently found in at least 10 provinces. The Infectious Myonecrosis (IMN) is an emerging disease for L. vannamei in Indonesia, first detected in May-June 2006, causing significant mortalities in grow-out ponds. The IMN is characterized by an acute onset of gross signs: focal to extensive whitish necrotic areas in the striated muscle, especially on the distal abdominal segments and tail fan. White necrotic areas become reddened similar to the color of cooked shrimp. The outbreak resulted in elevated mortalities was initially associated with a chronic course of persistent low level mortalities. Up to date, IMN was detected in East Java, Bali, and West Nusa Tenggara provinces. This paper is a brief review of the epidemiological study of IMN disease of Pacific white shrimp in Indonesia: the status of outbreaks, surveillance, and disease diagnosis, and control measures.