Effect of chilled storage on quality characteristics of battered and breaded shrimp fingers prepared from kiddi shrimp (Parapenaeopsis stylifera) (H. Milne Edwards, 1837)

The life history of Kiddi shrimp (Parapenaeopsis stylifera) was assessed using lengthbased data from the commercial trawlers operated along the Digha waters (West Bengal, India). Growth parameters were estimated as L∞= 14.26 cm, K = 1.77 yr-1, t0= -0.001 yr, tmax = 1.5 yr, and φ = 2.56. Mortality rates were M = 3.00 yr⁻¹, F = 4.11 yr⁻¹, Z = 7.11 yr⁻¹, with an exploitation rate (E) of 0.58. The species matures early (Lm50 ≈ 8.15 cm, 0.48 yr) and attains peak biomass (Lopt ≈ 8.0 cm, 0.47 yr). A high M/K ratio (1.7) indicates r-selected traits-fast growth, high mortality, and peak yield at high fishing mortality. Cohort biomass declines rapidly to 1% within 0.65 yr, yet the short generation time allows reproduction under current exploitation. Stock status from the Bayesian Schaefer Model using catch-based data (2007-2021) showed current biomass (B/B msy = 1.15) is 15% whereas the effort (F/F msy = 0.85) is 15% lower than required level for MSY. Kobe plot also indicating a high probability (57.9%) that the stock is in the healthy and sustainable green zone. Thompson and Bell analysis suggested fishing mortality could increase by 8%, raising yield marginally by 1.6% to 2442 t and revenue by 1.3% to ₹423 million, while maintaining safe spawning biomass (SSB/SSB0 =30%). However, due to its short generation time and recruitment sensitivity, P. stylifera requires adaptive harvest control rules with annual or biannual assessments to ensure longterm sustainability. Keywords: BSM, Data-poor method, Dynamic pool model, Life history parameters, TropFishR

Shrimp resources in Mukomuko waters have been exploited by minitrawl since the 1980s. High fishing pressure has been reported due to intensive trawling in a relatively small fishing area. Appropriate management measures are needed to maintain the sustainability of the shrimp resource. The aim of this study was to assess the exploitation status of the shrimp (Parapenaeopsis stylifera) as a basic information for sustainable shrimp management. A simple random sampling technique was used to sample the shrimp. The results showed that female shrimp dominated the catch of kiddy shrimp in Mukomuko waters. The growth pattern of kiddy shrimp showed a negative allometric pattern. The gonadal maturity level (GML/TKG) of kiddy shrimp was dominated by TKG II and TKG III categories. The value of fishing mortality (F) for the growth parameters of Kiddy shrimp was higher than natural mortality (M). The exploitation rate (E) of Kiddy shrimp was 0.78. The SPR value of kiddy shrimp was 0.21 or 21% moderate or close to overexploitation. This study recommends three management options: replacing shrimp trawls with environmentally friendly fishing gear, opening and closing fishing areas and seasons, and reducing fishing effort.

Maltodextrin and corn flour added shrimp (Parapenaeopsis stylifera) head flavorant powder

Shrimp is a highly valued seafood globally, appreciated for its rich nutritional value. Due to the highly perishable nature and enzymatic activity, effective preservation methods are required to preserve the quality and shelf life of shrimp. The present study aimed to extend and improve the quality of dried shrimp by using hurdle technology, such as dipping in citric acid, followed by blanching (5% NaCl) method, and drying using conventional and non-conventional methods, such as solar tunnel dryer and electric cabinet dryer, respectively. The dried shrimp treated with 0.6% citric acid were selected among the 0.2%, 0.4%, 0.6%, 0.8%, and 1.0% for a 90-day storage study, packed in HDPE and LDPE bags at ambient temperature. The parameters such as TMA (6.33±0.02 mg/100 g), TVB-N (16.33±0.03mg/100 g), FFA (0.74±0.01% of oleic acid), pH (6.40±0.01), PV (0.95±0.02 meqO2/kg of fat), TPC (2.48±0.01) and moisture content (14.79±0.03%) was increased, whereas protein (70.53±0.01%), fat (3.22±0.02%), ash (11.37±0.02%) and salt content (3.13±0.02%) was decreased with significant difference (p

Accounting intra-annual variability in mortality and recruitment in stock status evaluation of Parapenaeopsis stylifera fishery of north-eastern Arabian Sea under moderate data scenario

An investigation on the distribution dynamics of kiddi prawn, Parapenaeopsis stylifera (H. Milne Edwards, 1837) along southwest coast of India, using multi-dimensional approach

Formulation and quality evaluation of soup powder prepared from shrimp (Parapenaeopsis stylifera) (H. Milne Edwards, 1837)

Growth and mortality of Kiddy Shrimp, Parapenaeopsis stylifera (H. Milne Edwards, 1837) along the coast of Maharashtra

Genetic characterization of Kiddi shrimp, Parapenaeopsis stylifera (H. Milne Edwards, 1837) along the Indian coast using microsatellite markers

To preserve shrimps, smoking or smoke curing is an ancient methods in practice since long before. The present study was conducted to prepare improved smoked shrimp from 4 different species of raw shrimps, namely Chali (Metapenaeus brevicornis), Chaka (Penaeus indicus), Horina (Metapenaeus monoceros) and Khogda (Parapenaeopsis stylifera) at laboratory condition, to observe the changes in sensory, biochemical and microbiological parameters of the both laboratory and traditionally prepared (at Koyra, Khulna) smoked shrimps of these species. The initial moisture level of improved smoked shrimps (Chali, Chaka, Horina and Khogda) ranged from 14.22±0.02%~16.15±0.03% with the highest value in Khogda, but the moisture content of traditional smoked Chali was 17.53±0.11%. After storage of 120 days the moisture reached to the ranged from 15.12±0.13% to 18.83±0.21%, protein content from initial 61.18± 91%~64.05±0.41% to 52.8 ±51%~57.61±0.84%, lipid content from initial 9.73±0.06%~10.05± 0.06% to 8.55±0.04%~9.10±0.06% and ash contents from initial 11.06±0.14%~16.36±0.08% to 14.28±0.08%~19.11±0.07%. For TVB-N values and microbial load also a same increasing trend was observed for the samples. From the obtained results of the study it could be concluded as- implementation of improved techniques for smoking able to extend the storage period of smoked shrimps and among different packs vacuum sealed pack is the most effective one for storage.
 Environ. Sci. & Natural Resources, 12(1&2): 181-190, 2019

Using length data to derive biological reference points for kiddi shrimp <i>Parapenaeopsis stylifera</i> (Milne Edwards, 1837) from the south-eastern Arabian Sea, India

Survival behaviour of Salmonella enterica in fish and shrimp at different conditions of storage

Smoking or smoke curing, like drying and salt curing, is an ancient method of preservation of shrimp. The present experiment was conducted to prepare improved smoked shrimp from four species of shrimps, namely Horina (Metapenaeus monoceros), Chali (Metapenaeus brevicornis), Chaka (Penaeus indicus) and Khogda (Parapenaeopsis stylifera) at laboratory condition to evaluate the changes in senseory, biochemical and microbiological parameters of the both laboratory and traditionally prepared (at Koyra, Khulna) smoked shrimps. For smoking, a locally made smoking kiln was used at laboratory. Then both improved and traditionally prepared smoked shrimps were stored in various packages at refrigeration temperature (5 to 8°C). The initial moisture level of improved smoked shrimps (Horina, Chali, Chaka and Khogda) ranged from 14.22 ± 0.02% to 16.15 ± 0.03% with the highest value in Khogda, but the moisture content of traditionally smoked Chali was 17.53 ± 0.11%. After long storage of 150 days at refrigeration temperature (5 to 8°C), the moisture content was found to be 10.02 ± 0.03% to 12.81 ± 0.03% for all the stored smoked shrimps. The initial protein content of improved smoked shrimp ranged from 62.15 ± 1.20 % to 64.05 ± 0.1.10 % with the highest value in Chali; whereas the protein content was lower in traditionally smoked Chali which was 61.18 ± 1.23%. During the storage, protein content decreased with the lapse of time and ranged from 52.14 ± 1.12% to 54.47 ± 1.12%. Initial lipid content of improved smoked shrimp ranged from 9.73 ± 0.95% to 10.05 ± 0.05% and in traditional smoked Chali the value was 9.24 ± 0.09%. At the end of the storage period, the lipid content of smoked shrimp ranged from 7.65±0.08% to 8.75±0.08% and in traditional smoked Chali it was 7.69±0.09%. Ash contents of smoked shrimp increased and ranged from 11.06±0.14% to 23.00 ± 0.21%. The TVB-N value of improved smoked shrimp was significantly lower than that of traditionally prepared smoked shrimp. Initial TVB-N value of improved smoked shrimp ranged from 12.23 ± 0.12 mg/100g to 14.05 ± 0.09 mg/100g and in traditional smoked Chali the TVB-N value was 15.83 ± 0.12 mg/100g. With the progress of study period, TVB-N value also increased, which ranged from 25.42 ± 1.45 mg/100g to 31.14 ± 0.12 mg/100g. The initial APC of improved smoked shrimp was 4.3 x 102 CFU/g to 2.05 x 103 CFU/g and in traditionally prepared smoked Chali it was 3.6 x 103 CFU/g. After the storage period the total bacterial content ranged from 1.67 x 106 CFU/g to 6.17 x 106 CFU/g for all the stored products. The results obtained in the study showed that the steps followed for smoking of shrimps in the laboratory contributed to improve the quality of smoked shrimps, at the same time smoked shrimps were in better condition in air tight and vacuum packages than the samples stored in non-sealed packages.

Characterization of carotenoprotein from different shrimp shell waste for possible use as supplementary nutritive feed ingredient in animal diets

Genus Parapenaeopsis constitute an important fishery resource in Indian waters. Parapenaeopsis stylifera, being morphologically very similar to Parapenaeopsis coromandelica, mainly differentiated using telsonic armature and it is subject of controversy regarding the number of armature for the species. The present study was aimed to resolve the taxonomic ambiguity between P. stylifera and P. coromandelica and to study phylogenetic relationship among five species under the genus Parapenaeopsis using partial sequences of mitochondrial 16S ribosomal DNA (rDNA) and cytochrome c oxidase subunit I (COI) genes. Sequence analysis revealed an average genetic divergence value ranging from 7.65 to 20.3% for COI gene and 2.4 to 12.0% for 16S rDNA gene between five species under study. The result shows that P. stylifera and P. coromandelica Alcock, 1906 are genetically a distinct species with average divergence value of 7.6% based on COI sequence and 2.4% based on the 16S rDNA. However, systematic relationship between the P. stylifera and P. coromandelica were closer than other species, thus formed separate clade in phylogenetic tree. The species specific molecular signatures developed in the present study will be helpful in effective fisheries management of the species in Indian waters.

The total lipid, phospholipids and cholesterol contents in the muscles of six marine shrimps viz., Parapenaeopsis stylifera, Parapenaeopsis sculptilis, Metapenaeus brevicornis, Litopenaeus vannamei, Nematopalaemon tenuipes and Acetes indicus has been reported in the present study. Total lipid were significantly (p<0.05) higher in N. tenuipes and M. brevicornis, while phospholipids were significantly (p<0.05) higher in only N. tenuipes than in other shrimp species. The cholesterol contents were higher than the phospholipids in all the shrimps except N. tenuipes. Overall, the present study showed that the selected shrimps were a good source of essential lipid with nutritional values. However, due to the high cholesterol content, moderate shrimp consumption could be recommended for normolipidemic individuals

The present study was carried out on microbial investigation to screening of pathogenic microorganism of selected commercially important shrimp samples Parapenaeopsis stylifera (Milne-Edwards, 1837); Penaeus merguiensis (de Man, 1888) Penaeus japonicas (Spence Bate, 1888) Ganjampenaeopsis uncta (Alcock, 1905) and Penaeus indicus (Milne Edwards, 1837) collected from fishing harbour of Visakhapatnam, east coast of India. The study was performed during the period of April 2015 to March 2016. Selectively, five commercially important shrimp were used to evaluate the quality of samples in terms of microbial content, using Agar plate method, Total Bacterial Count (TBC), Total coliform counts (TCC) was performed. The TBC ranged from 1.82X102cfu/g to 3.23X102cfu/g and TCC was found in between 2.14X102 and 5.22X102 whereas the total coliform count was not exceeded the acceptable limit recommended by FAO. The highly pathogenic bacteria Salmonella sp., Vibrio sp., was found in the collected shrimp samples.

This study was conducted to determine the population dynamics of Parapenaeopsis stylifera in the coastal waters of the Persian Gulf. A total of 423 male and 449 female shrimps was collected monthly by a bottom-trawl net, from March 2011 to June 2012. The populations of male and female shrimps were dominated by adult shrimps (CL &gt; 15 mm) from January to May. Whereas, the juvenile shrimps were dominant from June to September and the averages of CPUE uptrend in these periods, too. The carapace length and weight relationship demonstrated that growth in both sexes was allometric. The asymptotic carapace length (CL∞) was estimated at 21 mm for males and 27 mm for females. The growth parameter K was calculated as 1.1 Yr −1 for males and 1.2 Yr −1 for females. The total mortality rate for males was more than for females. And the exploitation rates were 0.58 for males and 0.52 for females. The sex ratio identified that it was not a constant 1:1 throughout the year, with 51.49% females. Kiddy shrimps can spawn all year round and have a spawning peak from February to May. The Lm50 was estimated at 19.03 mm carapace length of female shrimps.

This study was conducted to determine the population dynamics of Parapenaeopsis stylifera in the coastal waters of the Persian Gulf. A total of 423 male and 449 female shrimps was collected monthly by a bottom-trawl net, from March 2011 to June 2012. The populations of male and female shrimps were dominated by adult shrimps (CL > 15 mm) from January to May. Whereas, the juvenile shrimps were dominant from June to September and the averages of CPUE uptrend in these periods, too. The carapace length and weight relationship demonstrated that growth in both sexes was allometric. The asymptotic carapace length (CL∞) was estimated at 21 mm for males and 27 mm for females. The growth parameter K was calculated as 1.1 Yr −1 for males and 1.2 Yr −1 for females. The total mortality rate for males was more than for females. And the exploitation rates were 0.58 for males and 0.52 for females. The sex ratio identified that it was not a constant 1:1 throughout the year, with 51.49% females. Kiddy shrimps can spawn all year round and have a spawning peak from February to May. The Lm50 was estimated at 19.03 mm carapace length of female shrimps.