Journal of Fisheries最新文献_第2页

Induced spawning of African catfish (Clarias gariepinus) using goat (Capra aegagrushircus) and pig (Sus scrofa domesticus) pituitary extracts 山羊(Capra aegagrushircus)和猪(Sus scrofa domesticus)垂体提取物诱导非洲鲶鱼(Clarias gariepinus)产卵

IF 0.7

Journal of Fisheries Pub Date : 2022-12-09 DOI: 10.17017/j.fish.416

J. S. Doctolero, Danica S. Sotero, L. Fajardo

{"title":"Induced spawning of African catfish (Clarias gariepinus) using goat (Capra aegagrushircus) and pig (Sus scrofa domesticus) pituitary extracts","authors":"J. S. Doctolero, Danica S. Sotero, L. Fajardo","doi":"10.17017/j.fish.416","DOIUrl":"https://doi.org/10.17017/j.fish.416","url":null,"abstract":"Concerns relating to cost and availability have directed traditional farmers to expand options on the induced spawning of fish for viable production of seeds. The study was conducted to examine the potential of using pituitary extracts (PE) from goat (Capra aegagrushircus) and pig (Sus scrofa domesticus) on the induced spawning of African catfish (Clarias gariepinus). Pituitary extract of African catfish using 4 mgkg–1 body weight dosage (control) and PE from goat and pig using 4 mgkg–1 and 200 mgkg–1 body weight dosages were single intramuscularly injected to female breeders. Utilisation of goat and pig PE has successfully induced the spawning of African catfish. All female breeders attained ovulation within 10-12 h which is under the prescribed latency period. Total number of eggs spawned ranged from 36200-67600. The three PE used attained comparable result in terms of relative fecundity. Fertilisation rate revealed that PE from goat at 4 mgkg–1 dosage attained similar result to that of control treatment. Hatching period occurred within 24–36 h and goat PE using both dosages gave the highest results in hatching rate. The current study provides preliminary information on the success of using PE from goat and pig for the induced spawning of African catfish.","PeriodicalId":55944,"journal":{"name":"Journal of Fisheries","volume":"1992 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82373032","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Use of aluminium sulphate as flocculant for spirulina (Arthrospira platensis) with notes on the use of antioxidants for preservation under refrigerated conditions 硫酸铝作为螺旋藻(Arthrospira platensis)絮凝剂的使用，并说明在冷藏条件下保存抗氧化剂的使用

IF 0.7

Journal of Fisheries Pub Date : 2022-12-07 DOI: 10.17017/j.fish.435

K. I. Uba, Gaireen D. Gaid, John Mark L. Perales, Flordeliz C. Bongga, Ruth D. Gaid

{"title":"Use of aluminium sulphate as flocculant for spirulina (Arthrospira platensis) with notes on the use of antioxidants for preservation under refrigerated conditions","authors":"K. I. Uba, Gaireen D. Gaid, John Mark L. Perales, Flordeliz C. Bongga, Ruth D. Gaid","doi":"10.17017/j.fish.435","DOIUrl":"https://doi.org/10.17017/j.fish.435","url":null,"abstract":"One of the bottlenecks in microalgae harvesting is the lack of an efficient method for separating the microalgae from its culture medium. Moreover, the lack of viable and simple preservation techniques for microalgae starters hinders the immediate recovery of cultures after experiencing collapse. Hence, the present study was conducted to evaluate the use of aluminium sulphate as a flocculant for harvesting spirulina (Arthrospira platensis) and compare it with other flocculation techniques (electrolytic flocculation and autoflocculation). Moreover, the use of antioxidants to lengthen the storage of viable spirulina cells in refrigerated conditions was explored. The results of the study showed that the optimum dosage of aluminium sulphate for flocculation of spirulina is 200 ppm with 94.82 ± 0.59% efficiency in 15 – 45 minutes post-administration. Moreover, the combination of ascorbic acid and alpha-tocopherol at 0.01% v/v resulted in the highest viable cells at 57.76 ± 2.48% until the 3-week refrigeration period. This may help in maintaining viable starters. However, further investigations are needed to ascertain residuals of aluminium in harvested biomass and explore low-cost options for its reduction or removal and optimize the use of antioxidants in spirulina preservation in refrigerated conditions.","PeriodicalId":55944,"journal":{"name":"Journal of Fisheries","volume":"41 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90310719","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Comparative account on the length-weight and length-length relationships and condition factor of six cyprinid fishes from Dal Lake, Kashmir 克什米尔达尔湖六种鲤科鱼的长-重、长-长关系及条件因子的比较分析

IF 0.7

Journal of Fisheries Pub Date : 2022-11-28 DOI: 10.17017/j.fish.417

Abrar Ahmad Bhat, M. Y. Arafat, M. Parveen, Yahya Bakhtiyar

{"title":"Comparative account on the length-weight and length-length relationships and condition factor of six cyprinid fishes from Dal Lake, Kashmir","authors":"Abrar Ahmad Bhat, M. Y. Arafat, M. Parveen, Yahya Bakhtiyar","doi":"10.17017/j.fish.417","DOIUrl":"https://doi.org/10.17017/j.fish.417","url":null,"abstract":"Fish landings are routinely measured for length and weight to study fish bioecology, which provide important information about biomass, population dynamics and condition of fish. The current study describes the length-weight relationships (LWRs) and length-length relationships (LLRs) of six fish species (Cyprinus carpio, Carassius carassius, Schizothorax niger, S. curvifrons, Crossocheilus diplochilus and Pethia conchonius) based on seasonal fish sampling from the Dal Lake during September 2019 to August 2020. The estimated LWRs and LLRs were highly significant (p < 0.05) with high coefficient of determination r2 and the estimated b values ranged from 2.50 to 3.55. The estimated b values revealed negative allometric growth of fish species except P. conchonius which possesses positive allometric growth. The mean value of condition factor for C. carpio, C. carassius, S. niger, S. curvifrons, C. diplochilus and P. conchonius were 1.43±0.25, 1.55±0.24, 0.86±0.14, 0.80±0.13, 1.21±0.17 and 1.64±0.34 respectively and it varied significantly among these fish species (ANOVA: p < 0.05). The study shows LWRs, LLRs and current condition of some forage fish species viz., C. carassius, C. diplochilus and P. conchonius as well as invasive C. carpio and local Schizothorax species from the Dal Lake, all possessing economic and conservation significance.","PeriodicalId":55944,"journal":{"name":"Journal of Fisheries","volume":"29 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78887838","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Record of zipper loach Paracanthocobitis botia (Hamilton 1822), an ornamental fish from Paschim Medinipur, West Bengal, India 印度西孟加拉邦帕西姆梅迪尼普尔的一种观赏鱼——拉链泥鳅(Paracanthocobitis botia)记录

IF 0.7

Journal of Fisheries Pub Date : 2022-10-10 DOI: 10.17017/j.fish.355

Godhuli Sit, A. Jana, A. Chanda, S. Sahu

引用次数: 0

Length-weight relationship, relative condition factor and fecundity of Notopterus notopterus (Pallas, 1769) from river Brahmaputra in Dhubri, Assam, India 布拉马普特拉河Notopterus Notopterus (Pallas, 1769)的长重关系、相对条件因子和繁殖力

IF 0.7

Journal of Fisheries Pub Date : 2022-10-07 DOI: 10.17017/j.fish.398

M. Paul, Priyam Nath, Amalesh Dutta

{"title":"Length-weight relationship, relative condition factor and fecundity of Notopterus notopterus (Pallas, 1769) from river Brahmaputra in Dhubri, Assam, India","authors":"M. Paul, Priyam Nath, Amalesh Dutta","doi":"10.17017/j.fish.398","DOIUrl":"https://doi.org/10.17017/j.fish.398","url":null,"abstract":"Notopterus notopterus (Pallas, 1769) commonly known as bronze featherback is an important freshwater fish widely distributed in deep and clean waters in the rivers, beels, reservoirs and ponds. This study elucidates the length-weight relationship (LWR), relative condition factor and fecundity of N. notopterus collected from the river Brahmaputra in Dhubri, Assam, India. A total of 181 fish specimen were sampled. The LWR showed a positive isometric growth with uniform increase in height or width with increasing length. The value of a and b in males were 0.0120 and 3.06 respectively. In females, a and b were slightly higher being 0.0230 and 3.18 respectively. The coefficient of determination for combined sex was equal to 0.8572 (p < 0.001). The relationship between the fecundity and four variables viz. total length, body weight, gonadal length, gonadal weight were analysed and the relationship between the fecundity and gonad weight was much more significant than other variables considered. The current study might serve as a valuable guideline for establishing future biometric studies for fishes collected from this stretch of the river Brahmaputra.","PeriodicalId":55944,"journal":{"name":"Journal of Fisheries","volume":"24 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72388113","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Prevalence of fish lice, Argulus (Crustacea: Branchiura) in freshwater and two ornamental fishes of Iran 伊朗淡水和两种观赏鱼的鱼虱流行情况

IF 0.7

Journal of Fisheries Pub Date : 2022-10-05 DOI: 10.17017/j.fish.383

A. Radkhah, S. Eagderi

引用次数: 1

Development and characterisation of cooked inlaid sausages with fillet and mechanically separated meat of Nile tilapia (Oreochromis niloticus) 尼罗罗非鱼(Oreochromis niloticus)鱼片和机械分离肉镶嵌香肠的研制与表征

IF 0.7

Journal of Fisheries Pub Date : 2022-08-19 DOI: 10.17017/j.fish.437

A. Cavenaghi-Altemio, João Luiz Zitkoski, G. Fonseca

{"title":"Development and characterisation of cooked inlaid sausages with fillet and mechanically separated meat of Nile tilapia (Oreochromis niloticus)","authors":"A. Cavenaghi-Altemio, João Luiz Zitkoski, G. Fonseca","doi":"10.17017/j.fish.437","DOIUrl":"https://doi.org/10.17017/j.fish.437","url":null,"abstract":"The limited consumption of fish is due to a limited availability of products based on this type of meat. Therefore, innovation and development of products that meet consumers’ preferences are essential. The aim of this work was to develop and characterize cooked inlaid sausages prepared with fillet and mechanically separated Nile tilapia (Oreochromis niloticus) meat (MSM). Three sausages types were considered, F1 (100% MSM), F2 (50% MSM, 50% fillet) and F3 (25% MSM, 75% fillet). Microbiological quality of the raw materials and products obtained were within the standard limits. F1 had the lowest protein (34.68%) and the highest lipid (2.88%) contents. F1 and F2 had the highest luminosity L*, which was related to the MSM composition, as the L* was higher as the percentage of MSM increased in the formulation. The shear strength was higher for F2 (18.55 N) and lower for F1 (6.43 N) and differed among sausages types. The F2 sausages presented a better acceptability regarding the sensory attributes evaluated, with acceptation indexes of 88.00, 85.55, and 84.66% for flavour, texture, and odour respectively. This finding indicates that this formulation would be very well accepted in the market if available for commercialisation.","PeriodicalId":55944,"journal":{"name":"Journal of Fisheries","volume":"20 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73695983","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Expansion of aquaculture threatens the existence of wetlands in Bangladesh 水产养殖的扩张威胁着孟加拉国湿地的生存

IF 0.7

Journal of Fisheries Pub Date : 2022-08-19 DOI: 10.17017/j.fish.449

Md. Taskin Parvez, A. Mohsin

{"title":"Expansion of aquaculture threatens the existence of wetlands in Bangladesh","authors":"Md. Taskin Parvez, A. Mohsin","doi":"10.17017/j.fish.449","DOIUrl":"https://doi.org/10.17017/j.fish.449","url":null,"abstract":"Despite positive role of aquaculture in food production, the practice may impact the environment negatively and it is difficult to quantify the loss. In this study, we assessed land use changes in four important wetlands (Hardoho Beel, Angrar Beel, Shaoil Beel and Gopalpur Beel) of Bangladesh through analysis of historical satellite images (1990 – 2020) to show how expansion of aquaculture activities threatens the existence of freshwater wetlands. Since 1990, the water area of all four wetlands decreased significantly over time (all p < 0.001). Mean yearly loss of 47.9 ± 79.3 ha, 99.2 ± 185.5 ha, 51.2 ± 61.9 ha and 2.6 ± 4.7 ha were recorded for Hardoho Beel, Angrar Beel, Shaoil Beel and Gopalpur Beel respectively. A decreasing trend in wetland area was recorded in all wetlands, primarily due to excavation of aquaculture ponds. In 2020, aquaculture ponds represented 72% of the core wetland areas. Two wetlands (Hardoho and Gopalpur) were almost totally lost and converted to aquaculture ponds and agricultural lands. This study concludes that the existence of freshwater wetlands in Bangladesh is at stake and recommends further studies to determine its impacts on people's livelihood and biodiversity.","PeriodicalId":55944,"journal":{"name":"Journal of Fisheries","volume":"11 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91209841","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Abundance study of fish species from Hel River of Kokrajhar, Assam, India 印度阿萨姆邦Kokrajhar Hel河鱼类丰度研究

IF 0.7

Journal of Fisheries Pub Date : 2022-07-18 DOI: 10.17017/j.fish.400

Arjina Parbin Sarkar, Sandeep Das, Sanjay Basumatary

引用次数: 0

Morphometric, meristic and genetic characteristics of Atlantic bonito (Sarda sarda) in the Black Sea 黑海大西洋鲣(Sarda Sarda)的形态、分生和遗传特征

IF 0.7

Journal of Fisheries Pub Date : 2022-07-18 DOI: 10.17017/j.fish.391

N. Kasapoğlu, Z. Düzgüneş, S. Ilhan

引用次数: 0