Displaying publications 81 - 100 of 162 in total

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  1. Fulltext Isolation and Characterization of Six Vibrio parahaemolyticus Lytic Bacteriophages From Seafood Samples
    Tan CW, Rukayadi Y, Hasan H, Abdul-Mutalib NA, Jambari NN, Hara H, et al.
    Front Microbiol, 2021;12:616548.
    PMID: 33776954 DOI: 10.3389/fmicb.2021.616548
    Vibrio parahaemolyticus is a foodborne pathogen that is frequently isolated from a variety of seafood. To control this pathogenic Vibrio spp., the implementation of bacteriophages in aquaculture and food industries have shown a promising alternative to antibiotics. In this study, six bacteriophages isolated from the seafood samples demonstrated a narrow host range specificity that infecting only the V. parahaemolyticus strains. Morphological analysis revealed that bacteriophages Vp33, Vp22, Vp21, and Vp02 belong to the Podoviridae family, while bacteriophages Vp08 and Vp11 were categorized into the Siphoviridae family. All bacteriophages were composed of DNA genome and showed distinctive restriction fragment length polymorphism. The optimal MOI for bacteriophage propagation was determined to be 0.001 to 1. One-step growth curve revealed that the latent period ranged from 10 to 20 min, and the burst size of bacteriophage was approximately 17 to 51 PFU/cell. The influence of temperature and pH levels on the stability of bacteriophages showed that all bacteriophages were optimally stable over a wide range of temperatures and pH levels. In vitro lytic activity of all bacteriophages demonstrated to have a significant effect against V. parahaemolyticus. Besides, the application of a bacteriophage cocktail instead of a single bacteriophage suspension was observed to have a better efficiency to control the growth of V. parahaemolyticus. Results from this study provided a basic understanding of the physiological and biological properties of the isolated bacteriophages before it can be readily used as a biocontrol agent against the growth of V. parahaemolyticus.
    Matched MeSH terms: Seafood
  2. Lactic acid as a potential decontaminant of selected foodborne pathogenic bacteria in shrimp (Penaeus merguiensis de Man)
    Shirazinejad A, Ismail N, Bhat R
    Foodborne Pathog Dis, 2010 Dec;7(12):1531-6.
    PMID: 21034165 DOI: 10.1089/fpd.2010.0616
    Fresh raw shrimps were dipped for 10, 20, and 30 min at room temperature (25°C ± 1°C) in lactic acid (LA; 1.5%, 3.0%, v/v) to evaluate their antipathogenic effects against Vibrio cholerae, Vibrio parahaemolyticus, Salmonella entreitidis, and Escherichia coli O157:H7 inoculated at a level of 10(5) CFU/g. Significant reductions in the population of all these pathogenic bacteria were recorded after dipping treatments, which were correlated to the corresponding LA concentrations and treatment time. With respect to the microbial quality, 3.0% LA treatment for 10 min was acceptable in reducing the pathogenic bacteria. Additionally, sensory evaluation results revealed a 10-min dip in 3.0% LA to be more acceptable organoleptically compared with 20 and 30 min of treatments. Results of the present study are envisaged to be useful for commercial applications for effective decontamination of shrimp.
    Matched MeSH terms: Seafood/microbiology*
  3. Fulltext Lateral thyroid cartilage thyrotomy approach to an embedded paraglottic fishbone
    Wong HT, Tham SY, Elangkumaran K, Ng W, Sia KJ
    Ann R Coll Surg Engl, 2017 Mar;99(3):e1-e2.
    PMID: 28071949 DOI: 10.1308/rcsann.2017.0010
    Fishbones are of particular interest to otolaryngologists. Most fishbones can be removed transorally or via endoscopic guidance. Transcervical neck exploration is occasionally necessary, especially in cases of an embedded foreign body. Computed tomography is the most sensitive and specific imaging modality for identifying embedded fishbones. To our knowledge, this is the first reported case of a laryngeal foreign body embedded in the paraglottic space that was removed using an open approach via a lateral thyroid cartilage window.
    Matched MeSH terms: Seafood*
  4. Fulltext Levels of Mercury in Fish-Eating Children, With and Without Amalgam Restoration
    Padmakumar V, Premkala Raveendran K, Abdulla AM, Ganapathy S, Sainudeen S, Nasim VS, et al.
    J Pharm Bioallied Sci, 2019 May;11(Suppl 2):S397-S401.
    PMID: 31198376 DOI: 10.4103/JPBS.JPBS_44_19
    Background: Mercury is a naturally occurring metal that exists in three forms: elemental (metallic), inorganic, and organic mercury. Amalgam, which is an alloy of inorganic mercury, is used as a restorative material in dentistry. Organic mercury gets ingested in the body mainly by the consumption of seafood. Mercury is also stated to cause various adverse health effects such as gastrointestinal disturbances, dermatitis, muscle weakness, and neurological disorders. In recent years, the use of amalgam has become a controversy stating the various adverse effects of mercury. Hence, the study was conducted to determine and compare the variation in levels of organic and inorganic mercury in fish-eating children before and after placement of amalgam restoration.

    Materials and Methods: Seventy-five subjects, 42 males (56%) and 35 females (44%) of age group ranging 7-13 years, living in South Canara district of Karnataka, India, were selected as a part of the study. Hair and urine samples were collected for estimation of organic and inorganic levels of mercury, respectively. Informed consent was collected from all the participating subjects.

    Results: On comparison between organic and inorganic mercury levels during the study period, the concentration of organic mercury in hair samples was greater irrespective of amalgam restorations present (1.172 and 0.085, respectively; P < 0.001).

    Conclusion: Thus inorganic levels of mercury do not seem to pose a threat as much as the organic levels observed in hair, which remain fairly constant for a longer period of time. Hence in a coastal region where this study was undertaken and fish being a staple food, the risk could probably be attributed to more of an organic toxicity than an inorganic one. Thus amalgam is relatively safe to be practiced and the controversy against it should be reevaluated.

    Matched MeSH terms: Seafood
  5. Medics and Marine Mammals - An Unlikely but Important Connection for Humanity's Survival
    Ponnampalam LS
    Malays J Med Sci, 2014 Mar;21(2):1-3.
    PMID: 24876801
    Marine mammals, as top predators in the marine food web, are sentinels of changes in the oceans and public health. Pollution in the sea and overfishing of seafood resources affects these organisms just as much as it affects human beings. Medics, especially doctors, have an influential reach to patients, and are in an ideal position to get better acquainted with ongoing marine environmental issues and subsequently disseminating such information to them. While seemingly an out-of-the-box approach, it is one that can help with environmental conservation and preservation for the future of humanity.
    Matched MeSH terms: Seafood
  6. Mercury Bioaccumulation in Tropical Mangrove Wetland Fishes: Evaluating Potential Risk to Coastal Wildlife
    Le DQ, Satyanarayana B, Fui SY, Shirai K
    Biol Trace Elem Res, 2018 Dec;186(2):538-545.
    PMID: 29577182 DOI: 10.1007/s12011-018-1313-2
    The present study, aimed at observing the total concentration of mercury (Hg) in edible finfish species with an implication to human health risk, was carried out from the Setiu mangrove wetlands on the east coast of Peninsular Malaysia. Out of 20 species observed, the highest Hg concentrations were found among carnivores-fish/invertebrate-feeders, followed by omnivores and carnivores-invertebrate-feeders, while the lowest concentrations in herbivores. The Hg concentrations varied widely with fish species and body size, from 0.12 to 2.10 mg/kg dry weight. A positive relationship between body weight and Hg concentration was observed in particular for Toxotes jaculatrix and Tetraodon nigroviridis. Besides the permissible range of Hg concentration up to 0.3 mg/kg (cf. United States Environmental Protection Agency (USEPA)) in majority of species, the carnivore feeders such as Acanthopagrus pacificus, Gerres filamentosus, and Caranx ignobilis have shown excess amounts (> 0.40 mg/kg flesh weight) that raising concerns over the consumption by local people. However, the weekly intake of mercury-estimated through the fish consumption in all three trophic levels-suggests that the present Hg concentrations are still within the range of Provisional Tolerable Weekly Intake (PTWI) reported by the Joint FAO/WHO Expert Committee on Food Additives (JECFA). Perhaps, a multi-species design for Hg monitoring at Setiu wetlands would be able to provide further insights into the level of toxicity transfer among other aquatic organisms and thereby a strong health risk assessment for the local communities.
    Matched MeSH terms: Seafood/analysis*
  7. Mercury accumulation in marine fish most favoured by Malaysian women, the predictors and the potential health risk
    Jeevanaraj P, Hashim Z, Elias SM, Aris AZ
    Environ Sci Pollut Res Int, 2016 Dec;23(23):23714-23729.
    PMID: 27619374
    We identified marine fish species most preferred by women at reproductive age in Selangor, Malaysia, mercury concentrations in the fish muscles, factors predicting mercury accumulation and the potential health risk. Nineteen most preferred marine fish species were purchased (n = 175) from selected fisherman's and wholesale market. Length, weight, habitat, feeding habit and trophic level were recognised. Edible muscles were filleted, dried at 80 °C, ground on an agate mortar and digested in Multiwave 3000 using HNO3 and H2O2. Total mercury was quantified using VP90 cold vapour system with N2 carrier gas. Certified reference material DORM-4 was used to validate the results. Fish species were classified as demersal (7) and pelagic (12) or predators (11), zoo benthos (6) and planktivorous (2). Length, weight and trophic level ranged from 10.5 to 75.0 cm, 0.01 to 2.50 kg and 2.5 to 4.5, respectively. Geometric mean of total mercury ranged from 0.21 to 0.50 mg/kg; maximum in golden snapper (0.90 mg/kg). Only 9 % of the samples exceeded the JECFA recommendation. Multiple linear regression found demersal, high trophic (≥4.0) and heavier fishes to accumulate more mercury in muscles (R (2) = 27.3 %), controlling for all other factors. About 47 % of the fish samples contributed to mercury intake above the provisional tolerable level (45 μg/day). While only a small portion exceeded the JECFA fish Hg guideline, the concentration reported may be alarming for heavy consumers. Attention should be given in risk management to avoid demersal and high trophic fish, predominantly heavier ones.
    Matched MeSH terms: Seafood/analysis*
  8. Mercury levels in the green-lipped mussel Perna viridis (Linnaeus) from the west coast of peninsular Malaysia
    Yap CK, Ismail A, Tan SG
    Bull Environ Contam Toxicol, 2003 Sep;71(3):570-6.
    PMID: 14567584
    Matched MeSH terms: Seafood
  9. Fulltext Metagenomic data on Anadara granosa associated bacterial communities using culture dependent approaches and 16S rRNA sequencing
    Zarkasi KZ, Halim MA, Nazari TF, Daud F
    Data Brief, 2018 Aug;19:514-519.
    PMID: 29900350 DOI: 10.1016/j.dib.2018.05.052
    This article contains data on the bacterial communities and its diversity associated with Anadara granosa. The A. granosa samples were obtained from two major estuaries in Penang, Malaysia using a culture dependent and 16S rRNA Illumina sequencing approaches. A. granosa, a commercial blood cockles and popular seafoods, is fragile to the surrounding environments. Thus, our research focused to better understand the bacterial communities and it diversity in the A. granosa, as well as on the generation of a metagenomic library from A. granosa to further understanding on it diversity. The bacteria Vibrionaceae (34.1%) was predominant in the A. granosa from both environments followed by Enterobacteriaceae (33.3%) and Bacillaceae (16.75%). Vibrio sp., Klebsiella sp., and Bacillus subtilis were the most abundant species present. The data generated in this research is the first metagenomic examination of A. granosa and will provide as a baseline to understand the bacterial communities associated with A. granosa and its surrounding natural environments.
    Matched MeSH terms: Seafood
  10. Fulltext Microbiome analysis of Pacific white shrimp gut and rearing water from Malaysia and Vietnam: implications for aquaculture research and management
    Md Zoqratt MZH, Eng WWH, Thai BT, Austin CM, Gan HM
    PeerJ, 2018;6:e5826.
    PMID: 30397546 DOI: 10.7717/peerj.5826
    Aquaculture production of the Pacific white shrimp is the largest in the world for crustacean species. Crucial to the sustainable global production of this important seafood species is a fundamental understanding of the shrimp gut microbiota and its relationship to the microbial ecology of shrimp pond. This is especially true, given the recently recognized role of beneficial microbes in promoting shrimp nutrient intake and in conferring resistance against pathogens. Unfortunately, aquaculture-related microbiome studies are scarce in Southeast Asia countries despite the severe impact of early mortality syndrome outbreaks on shrimp production in the region. In this study, we employed the 16S rRNA amplicon (V3-V4 region) sequencing and amplicon sequence variants (ASV) method to investigate the microbial diversity of shrimp guts and pond water samples collected from aquaculture farms located in Malaysia and Vietnam. Substantial differences in the pond microbiota were observed between countries with the presence and absence of several taxa extending to the family level. Microbial diversity of the shrimp gut was found to be generally lower than that of the pond environments with a few ubiquitous genera representing a majority of the shrimp gut microbial diversity such as Vibrio and Photobacterium, indicating host-specific selection of microbial species. Given the high sequence conservation of the 16S rRNA gene, we assessed its veracity at distinguishing Vibrio species based on nucleotide alignment against type strain reference sequences and demonstrated the utility of ASV approach in uncovering a wider diversity of Vibrio species compared to the conventional OTU clustering approach.
    Matched MeSH terms: Seafood
  11. Microplankton bloom in a brackish water lagoon of Terengganu
    Shamsudin L, Shazili NA
    Environ Monit Assess, 1991 Oct;19(1-3):287-94.
    PMID: 24233946 DOI: 10.1007/BF00401318
    Increased primary plankton productivity was observed in a brackish water lagoon of Terengganu during the study period between January 1988 to December 1988. The lagoon is also the site for the fish cage culture activities of sea bass during the study period. An examination of water quality at the sampling stations during the study period indicated that both the organic and inorganic nutrients were high during the pre-monsoon period. The source of the nutrient in the lagoon was believed to be derived from the agro-based industrial effluents, fertilisers from paddy fields as well as untreated human and animal wastes. This coincided with the peak production of plankton in the surface waters of the brackish water lagoon. During this period both cultured and indigenous fish species were seen to suffer from oxygen asphyxiation (suffocation due to lack of oxygen). The primary productivity values ranged from 9 to 22 μg/L/h during the peak period while the microplankton species were composed of diatom, flagellates and dinoflagellates. Reduction in the primary productivity values were obtained with reduction in sallinity, specially during the peak monsoon months (November to March) corresponding to the Northeast monsoon period.
    Matched MeSH terms: Seafood
  12. Microplastic and mesoplastic contamination in canned sardines and sprats
    Karami A, Golieskardi A, Choo CK, Larat V, Karbalaei S, Salamatinia B
    Sci Total Environ, 2018 Jan 15;612:1380-1386.
    PMID: 28898945 DOI: 10.1016/j.scitotenv.2017.09.005
    No report was found on the occurrence of microplastics in processed seafood products that are manufactured for direct human consumption. This study investigates the potential presence of micro- and mesoplastics in 20 brands of canned sardines and sprats originating from 13 countries over 4 continents followed by their chemical composition determination using micro-Raman spectroscopy. The particles were further inspected for their inorganic composition through energy-dispersive X-ray spectroscopy (EDX). Plastic particles were absent in 16 brands while between 1 and 3 plastic particles per brand were found in the other 4 brands. The most abundant plastic polymers were polypropylene (PP) and polyethylene terephthalate (PET). The presence of micro- and mesoplastics in the canned sardines and sprats might be due to the translocation of these particles into the edible tissues, improper gutting, or the result of contamination from the canneries. The low prevalence of micro- and mesoplastics sized >149μm, and the absence of potentially hazardous inorganic elements on them, might indicate the limited health risks associated with their presence in canned sardines and sprats. Due to the possible increase in micro- and mesoplastic loads in seafood products over time, the findings of this study suggest their quantification to be included as one of the components of food safety management systems.
    Matched MeSH terms: Seafood*
  13. Migration of foreign body from postcricoid region to the subcutaneous tissue of the neck
    Shaariyah MM, Salina H, Dipak B, Majid MN
    Ann Saudi Med, 2010 9 25;30(6):475-7.
    PMID: 20864791
    Migration of a foreign body from the hypopharynx to the subcutaneous tissue of the neck is a rare event. We report a case of a 48-year-old male who accidentally swallowed a fish bone which was not identified intraoperatively. The patient then presented with migration of the bone to the soft tissue of the neck. We conclude that careful assessment of the patient with a foreign body in the throat is crucial to avoid fatal complications.
    Matched MeSH terms: Seafood/adverse effects*
  14. Migratory Fish Bone Presented With Extensive Surgical Subcutaneous Emphysema: A Case Report
    Muhammad A, Tuang GJ, Zahedi FD, Nik Hussin NR
    J Emerg Med, 2021 Jul;61(1):e4-e6.
    PMID: 33863569 DOI: 10.1016/j.jemermed.2021.02.022
    BACKGROUND: Fishbone ingestion represents a common cause for emergency department (ED) referral. In the majority of cases, an observed fishbone can be easily retrieved in the clinic setting. An impacted fishbone in the throat, albeit uncommon, carries potential risks of life-threatening events. Unusual complications caused by a migrated fishbone, including deep neck abscess, airway obstruction, and major vessels injury, are greatly influenced by the type of ingested fishbone and time between onset and presentation.

    CASE REPORT: Here we report an unusual case of surgical subcutaneous emphysema after multiple attempts of purging to remove an ingested fishbone. WHY SHOULD AN EMERGENCY PHYSICIAN BE AWARE OF THIS?: Fishbone foreign body is a common presentation to the ED. A thorough history and examination for the migratory foreign body is essential, as the complications are consequential.

    Matched MeSH terms: Seafood
  15. Fulltext Mini review : the effects of food processing on biogenic amines formation
    Chong, C.Y., Abu Bakar, F., Russly, A.R., Jamilah, B., Mahyudin, N.A.
    International Food Research Journal, 2011;18(3):-.
    MyJurnal
    Biological amines are nitrogenous compounds that occur naturally in wide variety of food. Histamine, putrescine, cadavarine, tyramine, spermine, spermidine, tryptamine and β-phenylethylamine are the biogenic amines that are normally present in foods. Although the biogenic amines play some important physiological functions but high level of amines can cause toxicological effects. High amount of amines can be produced by bacteria during amino acids decarboxylation and have been identified as one of the important agent causing seafood intoxication. Temperature is the major factor for controlling the biogenic amines formation in food. The effects of other alternatives are also discussed including salting, packaging, irradiation, high pressure processing and the use of starter culture. A variety of techniques can be combined together to control the microbial growth and enzyme activity during processing and storage for better shelf life extension and food safety.
    Matched MeSH terms: Seafood
  16. Fulltext Moisture, fat content and fatty acid composition in breaded and non-breaded deep-fried black pomfret (Parastromateus niger) fillets
    Yazdan. M,, Jamilah, B., Yaakob C.M., Sharifah, K.
    International Food Research Journal, 2009;16(2):225-231.
    MyJurnal
    Effects of breading materials and deep-fat frying on fat uptake, moisture content and fatty acid composition of the black pomfret (Parastromateus niger) fillets. Black pomfret fillets both breaded and non-breaded were deep-fat fried in sunflower oil and palm olein. Fat uptake, moisture content and fatty acid composition in the fillets were determined. Total fat content in the fillets of both breaded and un-breaded fillets increased significantly (p
    Matched MeSH terms: Seafood
  17. Fulltext Molecular characterisation of Vibrio parahaemolyticus carrying tdh and trh genes using ERIC-, RAPD- and BOX-PCR on local Malaysia bloody clam and Lala
    Yoke-Kqueen, C., Teck-Ee, K., Son, R, Yoshitsugu, N., Mitsuaki, N.
    International Food Research Journal, 2013;20(6):3299-3305.
    MyJurnal
    Molecular typing methods have been widely applied for many purposes. In this study, such methods were adopted as DNA fingerprinting tools to determine the origin and divergence of virulent Vibrio parahaemolyticus strains found in local seafood. Although not all strain carry virulent tdh and trh gene, increasing prevalence demands an effective fingerprinting scheme which can constantly monitor and trace the sources of such emerging food pathogens. By using ERIC-, RAPD-, and BOX-PCR methods, 33 Vibrio parahaemolyticus isolates from local Malaysia bloody clam (Anadara granosa) and Lala (Orbicularia orbiculata) with confirmed presence of tdh and trh gene were characterised, followed by determination of clonal relatedness among virulent strains using cluster analysis and discriminatory index. This study also involved application of Immunomagnetic Separation (IMS) Method which significantly improved the specificity of strain isolation. Cluster analysis using Unweighted Pair Group Mathematical Averaging (UPGMA) and Dice Coefficient shown clustering according to isolation food source, IMS level and haemolysin gene possessed. Nevertheless, different DNA fingerprinting methods generated different clustering at different similarity cut-off percentage, regardless as individual or as composite dendrograms. ERIC- and RAPD-PCR composite fingerprinting relatively shown the highest discriminatory index at following similarity cutoff percentage: 0.68 at 50%; 0.83 at 65%; and 0.93 at 75%. Discriminatory power increased with similarity cut-off percentage. However, result also suggested that BOX-PCR might be an effective fingerprinting tool, as it generated three clusters with no single-colony isolate at 70% similarity cut-off. This study not only achieved its objective to determine clonal relatedness among virulent strains from local seafood via characterisation, but also speculated the best possible combination of molecular typing methods to effectively do so.
    Matched MeSH terms: Seafood
  18. Fulltext Molecular characterisation of grouper iridovirus isolates from Peninsular Malaysia
    Hassan, M.D., Hazeri, M., Omar, A.R., Abba, Y., Allaudin, Z.N., Soltani, M., et al.
    Jurnal Veterinar Malaysia, 2017;29(1):1-6.
    MyJurnal
    Grouper Iriovirus (GIV) is one of the most devastating viral diseases of marine and cultured groupers worldwide. In the current study, 5 presumptive Malaysian GIV isolates were characterised through PCR amplification of the major capsid protein (MCP) gene and phylogenetic analysis of the sequences. The sequences from the five GIV isolates showed 100% homology with each other and a close relationship with grouper iridovirus isolate (GIV_Tn_352), which was clustered in group 1 together with King grouper iridovirus isolate (KGIV_Cy_346), Singapore grouper iridovirus (SGIV), and Crimson snapper iridovirus isolate (CSIV). The phylogenetic tree also showed different degree of relatedness with other Ranavirus strains which were obtained from the blast of GIV MCP gene in the NCBI database. This study confirmed the GIV isolates from Malaysia are related to other isolates that were reported previously.
    Matched MeSH terms: Seafood
  19. Molecular characterization of serogrouping and virulence genes of Malaysian Vibrio cholerae isolated from different sources
    Shuan Ju Teh C, Lin Thong K, Tein Ngoi S, Ahmad N, Balakrish Nair G, Ramamurthy T
    J Gen Appl Microbiol, 2009 Dec;55(6):419-25.
    PMID: 20118606
    A pair of primers targeting the hlyA gene for Vibrio cholerae which could distinguish the classical from El Tor biotypes was designed and combined with other specific primers for ompW, rfb complex, and virulence genes such as ctxA, toxR, and tcpI in a multiplex PCR (m-PCR) assay. This m-PCR correctly identified 39 V. cholerae from clinical, water and seafood samples. The efficiency of this multiplex PCR (m-PCR) was compared with conventional biochemical and serogrouping methods. One O139 and 25 O1 V. cholerae strains including 10 environmental strains harbored all virulence-associated genes except 1 clinical strain which only had toxR and hlyA genes. Thirteen environmental strains were classified as non-O1/non-O139 and had the toxR and hlyA genes only. The detection limit of m-PCR was 7 x 10(4) cfu/ml. The m-PCR test was reliable and rapid and reduced the identification time to 4 h.
    Matched MeSH terms: Seafood/microbiology*
  20. Fulltext Morphometric and molecular analysis of mackerel (Rastrelliger spp) from the west coast of Peninsular Malaysia
    Darlina MN, Masazurah AR, Jayasankar P, Jamsari AF, Siti AM
    Genet. Mol. Res., 2011;10(3):2078-92.
    PMID: 21968625 DOI: 10.4238/vol10-3gmr1249
    Mackerel (Scombridae; Rastrelliger) are small commercially important pelagic fish found in tropical regions. They serve as a cheap source of animal protein and are commonly used as live bait. By using a truss morphometrics protocol and RAPD analysis, we examined morphological and genetic variation among 77 individual mackerel that were caught using long lines and gillnets at 11 locations along the west coast of Peninsular Malaysia. Nineteen morphometric traits were evaluated and genetic information was estimated using five 10-base RAPD random primers. Total DNA was extracted from muscle tissue. Morphometric discriminant function analysis revealed that two morphologically distinct groups of Rastrelliger kanagurta and a single group of R. brachysoma can be found along the west coast of Peninsular Malaysia. We also found that the head-related characters and those from the anterior part of the body of Rastrelliger spp significantly contribute to stock assessment of this population. RAPD analysis showed a trend similar to that of the morphometric analysis, suggesting a genetic component to the observed phenotypic differentiation. These data will be useful for developing conservation strategies for these species.
    Matched MeSH terms: Seafood
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