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Analysis of Fisheries Production Center Development in Nila Village, Ciamis Regency, Indonesia 印尼恰米斯县尼拉村渔业生产中心发展分析
Pub Date : 2023-08-23 DOI: 10.9734/ajfar/2023/v24i6648
I. Gumilar, Kori Nurhoirunisa, A. Handaka, Dan Ine Maulina
Ciamis Regency is one of the areas that has a large enough fishery potential of 51,626 tons. The potential of the area that is owned is able to make a force for the development of the Ciamis Regency area. This study aims to analyze potential problems and issues by providing a strategy that must be applied. This research uses a case study method. Data were obtained from related agencies, the results of interviews and filling out questionnaires directly to cultivators. The analysis used is SWOT analysis. Based on the results of the SWOT analysis, the chosen strategy is the SO strategy, which is included in the aggressive strategy, which means that Kampung Nila Kawali can maximize existing strengths and take advantage of opportunities. The chosen strategy for the development of the kawali fishing village includes (1). Carry out or intensify available cultivation land through the use of government assistance, (2). Applying the latest cultivation technology through training activities (3). Perform certification of tilapia broodstock and seeds.
Ciamis Regency是拥有51626吨足够大的渔业潜力的地区之一。该地区拥有的潜力能够为Ciamis摄政地区的发展提供动力。本研究旨在分析潜在的问题和问题,提供一个必须应用的策略。本研究采用个案研究法。数据来源于相关机构、访谈结果和直接向耕耘者填写的问卷。使用的分析是SWOT分析。根据SWOT分析的结果,所选择的战略是SO战略,这是包括在积极的战略,这意味着甘榜尼拉卡瓦里可以最大限度地利用现有的优势和机会。卡瓦里渔村发展所选择的战略包括:(1)利用政府援助开展或强化现有耕地;(2)通过培训活动应用最新的养殖技术;(3)对罗非鱼亲鱼和种子进行认证。
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引用次数: 0
Survival, Growth, Meristic and Morphometric Characteristics of Hybrids Between Black and White Nile Tilapia Strains 黑尼罗罗非鱼与白尼罗罗非鱼杂交品种的生存、生长、分生和形态特征
Pub Date : 2023-08-22 DOI: 10.9734/ajfar/2023/v24i5645
Reva Anjar, A. Yustiati, Iskandar
Tilapia is a commodity that has high economic value. The demand for tilapia continues to increase from year to year. In order to improve the genetic quality of fish, a hybridization program is carried out so that they have advantages becomes superior and good, growth rate, disease resistance and bad environment, and food utilization efficiency compared to their parents. Therefore, this research was conducted at Wanayasa Marine Conservation Service Unit (SPKPD) with A. White Tilapia (♂) x Black Tilapia (♀), B. Black Tilapia (♂) x White Tilapia (♀), C. White Tilapia (♂) x White Tilapia (♀), D. Black Tilapia (♂) x Black Tilapia (♀).This research include the preparation of containers and mains test fish, spawning, fertilization, hatching, maintenance of larvae and fry up to 90 days of age. Then measure the parameters such as survival, growth, meristic and morphometric characteristics. The results of the study showed that the highest specific survival and growth were in treatment B of 92.67%; 19.68%. Morphometric characteristics obtained the highest results in the hybrid strain Black Tilapia (♂) x White Tilapia (♀) with a total length of 11.58 cm, head length of 3.21 cm, standard length of 9.32 cm and body height of 3.37 cm. While the highest meristic characteristics were obtained in Treatment B = D.XVI-XVII : 13-14 P. 12-13 V. I : 5 A. III : 9-11 C. II : 15-16 LL. 26-27. This marked with the formula D for dorsal, P for pectoral, V for ventral, A for anal, C for caudal, LL for lateral line. While the Roman numerals indicate the number of hard radii, the Arabic numerals denote the weak radii.
罗非鱼是一种具有很高经济价值的商品。对罗非鱼的需求逐年增加。为了提高鱼的遗传品质,对其进行杂交,使其与亲本相比,具有优势向优向好、生长速度快、抗病性强、环境恶劣、食物利用效率高等特点。因此,本研究在Wanayasa海洋保护服务单位(SPKPD)进行了A.白罗非鱼(♂)×黑罗非鱼(♀),B.黑罗非鱼(♂)×白罗非鱼(♀),C.白罗非鱼(♂)×白罗非鱼(♀),D.黑罗非鱼(♂)×黑罗非鱼(♀)的研究。这项研究包括容器和主试验鱼的准备,产卵,受精,孵化,幼虫的维持和直到90日龄的鱼苗。然后测量存活、生长、分生和形态计量等参数。结果表明,B处理的特异性存活率和生长率最高,为92.67%;19.68%。杂交菌株黑罗非鱼(♂)与白罗非鱼(♀)的形态测定结果最高,总体长11.58 cm,头长3.21 cm,标准体长9.32 cm,体高3.37 cm。处理B = D.XVI-XVII: 13- 14p . 12- 13v的分生性状最高。I: 5 a。Iii: 9-11 c. ii: 15-1626 - 27日。上面写着:D代表背,P代表胸,V代表腹,A代表肛门,C代表尾鳍,LL代表侧线。罗马数字表示硬半径的数量,阿拉伯数字表示弱半径。
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引用次数: 0
Estimation of Fecundity and Gonadosomatic Index (GSI) of Somileptes gongota (Hamilton, 1822) from the River Padma in Rajshahi District, Bangladesh 孟加拉国拉杰沙希地区帕德玛河中贡戈塔(Hamilton, 1822)的繁殖力和性腺指数(GSI)的估算
Pub Date : 2023-08-22 DOI: 10.9734/ajfar/2023/v24i5646
Sreeradha Datta, Md. Idris Miah, Md. Rakibul Islam, Anik Talukdar, Md. Hashibur Rahman, M. A. Alam, Flura, M. Moniruzzaman, Sharmin Sultana
The study focused on assessing the fecundity and gonadosomatic index (GSI) of the Gongota Loach species, scientifically known as Somileptes gongota, during the period spanning from April 2019 to March 2020. The fecundity of S. gongota exhibited a range of values, spanning from 3375 to 73459.75. Out of a total of 36 specimens, 16 were identified as male while 20 were identified as female. The typical length of female specimens varies between 5.4 cm and 12.5 cm, with a corresponding body weight range of 3.72g to 19.52g. The recorded mean GSI values for the twelve-month period from April to March were as follows: 0.158, 0.231, 0.225, 0.242, 0.176, 0.00, 0.00, 0.13, 0.00, 0.00, 0.00, and 0.134. The lowest mean GSI value of 0.00 was observed during the months of September, October, December, January, and February. Conversely, the highest mean GSI value of 0.242 was recorded in the month of July. According to the monthly mean GSI of female individuals, the observed spawning season for this species spanned from April to July throughout the duration of the study, with the peak season occurring in July. The highest recorded level of fecundity was observed in the month of July, reaching a value of 73459.75. Conversely, the lowest level of fecundity was recorded in August, with a value of 3375. The study revealed a significant correlation between fecundity and body weight, as represented by the equation F=4.51BW-40115, with a coefficient of determination (r2) of 0.835. The observed fecundity values varied between 3375 and 73459.75, while the corresponding body weights ranged from 3.72g to 19.52g. The correlation between fecundity and standard length was determined to be F=0.012 SL3.628 (r2=0.794). The results of the regression analysis revealed a cubic relationship between fecundity and standard length, as well as a linear relationship between fecundity and body weight. A comprehensive understanding of fecundity and gonadosomatic index (GSI) is imperative for effective fish management.
该研究的重点是评估Gongota泥鳅物种(科学上称为Somileptes Gongota)在2019年4月至2020年3月期间的繁殖力和性腺指数(GSI)。赤竹的繁殖力在3375 ~ 73459.75之间。在总共36个标本中,16个被鉴定为雄性,20个被鉴定为雌性。雌性标本的典型体长在5.4 ~ 12.5 cm之间,相应的体重在3.72g ~ 19.52g之间。4 ~ 3月12个月的平均GSI值分别为0.158、0.231、0.225、0.242、0.176、0.00、0.00、0.13、0.00、0.00、0.00、0.00和0.134。9月、10月、12月、1月和2月平均GSI值最低,为0.00。相反,7月份的平均GSI值最高,为0.242。根据雌性个体的月平均GSI,观察到该物种的产卵季节跨越了整个研究期间的4 - 7月,其中7月为产卵高峰期。7月份的繁殖力最高,为73459.75。相反,8月份的繁殖力最低,为3375。结果表明,繁殖力与体重呈显著相关,其决定系数(r2)为0.835,方程为F=4.51BW-40115。测得的繁殖力值在3375 ~ 73459.75之间,对应的体重值在3.72 ~ 19.52g之间。繁殖力与标准体长的相关系数为F=0.012 SL3.628 (r2=0.794)。回归分析结果表明,繁殖力与标准体长呈立方关系,繁殖力与体重呈线性关系。一个全面的了解繁殖力和性腺指数(GSI)是必要的有效的鱼类管理。
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引用次数: 0
Analysis of Community Participation Level in Aquaculture in Situraja District, Sumedang Regency 苏梅当县Situraja区水产养殖社区参与水平分析
Pub Date : 2023-08-22 DOI: 10.9734/ajfar/2023/v24i6647
Maria Sonia, I. Maulina, R. Herman, I. Gumilar
This research aims to analyze the level of community participation in aquaculture in the Situraja District, Sumedang Regency. The method use in this study is a descriptive with a quantitative approach. The data for this study consists of two types: Primary data and secondary data. Primary data were obtained through written questions using a questionnaire distributed to 50 respondents. The research findings regarding the level of community participation in aquaculture in the Situraja District, Sumedang Regency, indicate an average community participation index of 0.55, which is still considered low. The community participation is at the Informing stage, where information is conveyed to the community. At this level, participation is considered Tokenism. In this stage, the community is merely included for formalities, allowing them to hear and have the right to voice their opinions, but they are not yet actively involved in decision-making.
本研究旨在分析Sumedang县Situraja区社区参与水产养殖的水平。在这项研究中使用的方法是一个描述性的定量方法。本研究的数据包括两种类型:Primary data和secondary data。主要数据是通过使用分发给50名受访者的问卷的书面问题获得的。关于Sumedang县Situraja区社区参与水产养殖水平的研究结果表明,平均社区参与指数为0.55,仍然被认为是低水平。社区参与是在告知阶段,在这个阶段,信息被传递给社区。在这个层面上,参与被认为是象征性的。在这个阶段,社区只是形式上的参与,允许他们听到并有权利表达他们的意见,但他们还没有积极参与决策。
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引用次数: 0
The Use of Fermented Banana Stems as a Source of Probiotics for the Growth and Survival of Carp Fry (Cyprinus carpio L.) 发酵香蕉茎作为益生菌来源促进鲤鱼鱼苗生长和存活的研究
Pub Date : 2023-08-19 DOI: 10.9734/ajfar/2023/v24i5644
Reski Amalia, Hasniar, Yuliadi, A. Sani
One of the obstacles that exist in this carp hatchery business is the lack of knowledge about the quality of feed that is not in accordance with the nutrients needed by fish. Feed quality that does not match the needs of the fish will lead to a low life-pass rate and fish growth rate. To overcome this, feed mixtures are made using fermented banana stems as a source of probiotics. The use of probiotics becomes an internal solution to produce optimal feed growth and efficiency, reduce production costs, and ultimately reduce environmental burdens due to waste accumulation in waters. The purpose of this study was to determine the right dose and effectiveness of adding probiotics from fermented banana stems mixed directly in carp seed feed on the growth and survival of carp fry. This study was designed using a complete randomised design (CRD). It consisted of 4 treatments and 3 replication for a total of 12 experimental units. The treatments used in this study were treatment A (control), treatment B (1.5 ml/100 g feed), treatment C (3.0 ml/100 g feed), and treatment D (4.5 ml/100 g feed). Based on the results of the study, the highest growth in absolute length and absolute weight and the highest survival occurred in treatment C (3.0 ml/100 g of feed).
鲤鱼孵化场存在的障碍之一是缺乏对饲料质量的了解,饲料质量与鱼所需的营养不一致。饲料质量与鱼的需求不匹配,会导致鱼的生命合格率和生长率低。为了克服这个问题,饲料混合物使用发酵香蕉茎作为益生菌的来源。使用益生菌成为实现最佳饲料生长和效率,降低生产成本,最终减少水体中废物堆积造成的环境负担的内在解决方案。本研究旨在探讨在鲤鱼种子饲料中直接添加发酵香蕉茎益生菌对鲤鱼鱼苗生长和存活的影响。本研究采用完全随机设计(CRD)。试验分为4个处理,3个重复,共12个试验单位。本研究采用的处理为处理A(对照)、处理B (1.5 ml/100 g饲料)、处理C (3.0 ml/100 g饲料)和处理D (4.5 ml/100 g饲料)。根据研究结果,在处理C (3.0 ml/100 g饲料)时,绝对长度和绝对重量的生长最高,存活率最高。
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引用次数: 0
Growth, Survival and Cost-benefit Analyses of Nutrient Rich Small Indigenous Species in Carp Polyculture System under Barind Area in Rajshahi District of Bangladesh 孟加拉国Rajshahi地区Barind地区鲤鱼混养系统中富营养小型本地物种的生长、生存和成本效益分析
Pub Date : 2023-08-17 DOI: 10.9734/ajfar/2023/v24i5642
Arjit Kumar Basak, Anik Talukdar, M. Rahman, Amrita Shaha, Jesmin Ara, Md. Akhtar Hossain
This study was conducted in Tanore upazila (sub district) of Rajshahi district, Bangladesh for a period of six months from July 2019 to December 2019. Investigation was carried into the economics of polyculture of Indian major carps with small indigenous fish species (SIS) Shing          (H. fossilis), Magur (C. batrachus), and Pabda (O. pabda). The species composition was carps with shing (T1), carps with Magur (T2), carps with Pabda (T3) and only carps (T4). The economic feasibility of four different combinations was analyzed on the basis of the expenditure incurred and total return from sale price of fish in the local market. The net benefits per hectare from 6 months culture period for T1, T2, T3 and T4 were Bangladesh currency (Taka) as BDT. 635730.42, 805548.25, 580948.95 and 291489.07, respectively which largely reflected the gross fish production levels of 7680.42 ± 6.68, 8324.94 ± 16.64, 7581.13 ± 24.94 and 6344.55 ± 10.30 kg ha-1. However, carp polyculture with Magur (T2) provided highest benefit (BDT. 805548.25 ha-1), followed by carps-shing polyculture (BDT. 635730.42/ha-1), carps-Pabda polyculture (BDT. 580948.95 ha-1) and only carps (BDT. 291489.07 ha-1). BCR (Benefit Cost Ratio) was obtained highest in Carp-Magur polyculture, followed by carp-shing and carp-Pabda polyculture systems. So, Carp-Magur polyculture may be better as it has ensured better production of protein enriched SIS Magur and also economic point of view and this system is encouraging for rural people because they would get Magur regularly for consumption and carps as a cash crop.
该研究于2019年7月至2019年12月在孟加拉国拉杰沙希区Tanore upazila(街道)进行,为期6个月。对印度主要鲤鱼与本地小型鱼类(SIS) Shing (H. fossilis)、Magur (C. batrachus)和Pabda (O. Pabda)混养的经济学进行了调查。鱼种组成为带shing鲤(T1)、带Magur鲤(T2)、带Pabda鲤(T3)和只有鲤(T4)。根据鱼在当地市场的销售价格所产生的支出和总收益,分析了四种不同组合的经济可行性。T1、T2、T3和T4在6个月的栽培期内每公顷的净效益以孟加拉国货币(塔卡)作为BDT。分别为635730.42、805548.25、580948.95和291489.07,在很大程度上反映了鱼类总产量水平为7680.42±6.68、8324.94±16.64、7581.13±24.94和6344.55±10.30 kg ha-1。然而,与Magur (T2)混养的鲤鱼具有最高的BDT效益。805548.25 ha-1),其次是鲤鱼-鱼复合(BDT)。635730.42/ha-1),鲤鱼- pabda混养(BDT。580948.95 ha-1),仅限鲤鱼(BDT)。291489.07农业)。鲤鱼-马格尔混养体系的BCR(效益成本比)最高,其次是鲤鱼-盛和鲤鱼-帕布达混养体系。因此,鲤鱼-马古鱼混合养殖可能更好,因为它确保了富含蛋白质的SIS马古鱼的更好生产,而且从经济角度来看,这个系统对农村人口来说是鼓舞人心的,因为他们可以定期获得马古鱼供消费,而鲤鱼则是一种经济作物。
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引用次数: 0
Social Mapping of the Fisheries Community in Bojongsoang, Bandung Regency 万隆县Bojongsoang渔业社区的社会测绘
Pub Date : 2023-08-17 DOI: 10.9734/ajfar/2023/v24i5643
Mochammad Fachry Maula, A. Suryana, I. Maulina, A. Nurhayati
Social mapping or social mapping is a comprehensive and systematic approach used to gather data and information about the various aspects of a specific area. It involves understanding the social, cultural, and environmental characteristics of the community residing in that area. The process of social mapping was carried out in the Bojongsoang District, encompassing the sub-districts of Tegalluar, Lengkong, Cipagalo, Buahbatu, Bojongsoang, and Bojongsari, situated in the Bandung Regency. This comprehensive study was conducted over a period spanning from December 2022 to June 2023. The research methodology employed in this study involves a qualitative descriptive analysis conducted through a survey. The survey includes direct field observations and interviews with randomly selected respondents who are engaged in tilapia aquaculture. The study involved a total of 45 tilapia farmers and 7 policy stakeholders from each village. The characteristics of respondents who are fish farmers in the Bojongsoang District can be differentiated based on social and economic factors. Approximately 96% of the respondents chose tilapia farming as their main livelihood. Men play a primary role in running the tilapia farming business, while women are also involved in some aspects. The majority of the population adheres to the Islamic religion and belongs to the Sundanese ethnic group. There are kinship ties between the local community and the owners of tilapia farming land. Social stratification exists with the highest positions held by the district head (Camat), members of the regional legislative council (DPRD), and religious scholars (ulama). Meanwhile, community leaders and elders occupy the middle position, while the general population holds the lowest position. Based on the research, the author's recommendations include the need for land use management for tilapia farming practitioners in Bojongsoang and the importance of policy evaluation for stakeholders in the area.
社会地图或社会地图是一种全面和系统的方法,用于收集有关特定区域的各个方面的数据和信息。它包括了解居住在该地区的社区的社会、文化和环境特征。在Bojongsoang区进行了社会地图绘制过程,包括位于万隆县的Tegalluar、Lengkong、Cipagalo、Buahbatu、Bojongsoang和Bojongsari等街道。这项综合研究是在2022年12月至2023年6月期间进行的。本研究采用的研究方法是通过调查进行定性描述性分析。调查包括直接实地观察和随机选择从事罗非鱼水产养殖的回答者的访谈。该研究共涉及来自每个村庄的45名罗非鱼养殖户和7名政策利益相关者。调查对象是宝钟乡地区的养鱼户,他们的特点可以根据社会经济因素进行区分。大约96%的答复者选择罗非鱼养殖作为其主要生计。男性在经营罗非鱼养殖业务中发挥主要作用,而女性也参与某些方面。大多数人口信奉伊斯兰教,属于巽他族。当地社区和罗非鱼养殖地的所有者之间存在亲属关系。社会分层存在,最高职位由区首长(Camat)、地区立法委员会成员(DPRD)和宗教学者(ulama)担任。同时,社区领导和长者占据中间位置,而一般人群的位置最低。基于这项研究,作者提出的建议包括Bojongsoang罗非鱼养殖从业者需要进行土地利用管理,以及对该地区利益相关者进行政策评估的重要性。
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引用次数: 0
Analysis of the Economic Potential of the Fisheries Sector as a Basic Sector in Cianjur Regency West Java Province 西爪哇省察留尔县渔业作为基础产业的经济潜力分析
Pub Date : 2023-08-16 DOI: 10.9734/ajfar/2023/v24i4641
D. Adawiyah, A. Nurhayati, I. Maulina, A. Handaka
This research aims to analyze the economic potential of the fisheries sector, whether it is a basic or non-basic sector in Cianjur Regency, West Java Province. This research was conducted in Cianjur Regency, West Java Province. The time of the research was carried out in January-April 2023. This research used data on the Gross Regional Domestic Product (GRDP) of Cianjur Regency and West Java Province on the basis of 2010 constant prices according to business field 2016-2021. GRDP is the total value added to goods and services produced by all business units in a certain area. The method for determining the basic and non-basic sectors uses Location Quetion (LQ) analysis by comparing the regency fishery sector with the fishery sector of West Java Province. Location Question analysis is a calculation technique to be able to find out the basic or non-basic sector by comparing the percentage of the contribution of the fisheries sector. Based on the calculation results of the Location Question (LQ) analysis of the fisheries sector in Cianjur Regency, it was found that in 2016-2021 it had an average LQ value of 5.506 (> 1), in which case the Cianjur Regency fisheries sector is the basic sector. This shows that each year has a comparative advantage, meaning that the production of the Cianjur Regency fishery sector can meet the needs of the community in its own region and is able to meet demand from other regions.
本研究旨在分析渔业部门的经济潜力,无论它是西爪哇省Cianjur县的基础部门还是非基础部门。这项研究是在西爪哇省的钱玉尔县进行的。研究时间为2023年1月至4月。本研究使用的数据是在2010年不变价格的基础上,根据2016-2021年的商业领域,Cianjur Regency和西爪哇省的地区国内生产总值(GRDP)。GRDP是某一地区所有经营单位生产的商品和服务的增加值总和。通过比较摄政渔业部门与西爪哇省渔业部门,确定基本和非基本部门的方法是使用位置问题(LQ)分析。区位问题分析是通过比较渔业部门的贡献百分比,找出基础部门或非基础部门的一种计算技术。通过对县渔业部门的区位问题(Location Question, LQ)分析计算结果发现,2016-2021年县渔业部门的平均LQ值为5.506(> 1),在这种情况下,县渔业部门是基础部门。这表明,每年都有比较优势,这意味着cianjurr摄政渔业部门的生产能够满足本地区社区的需求,并能够满足其他地区的需求。
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引用次数: 0
The Immunity Performance of Nile Tilapia (Oreochromis niloticus) after the Exposure of Botanical Insecticide with Azadirachtin Active Ingredient 含印楝素活性成分植物性杀虫剂对尼罗罗非鱼免疫性能的影响
Pub Date : 2023-08-16 DOI: 10.9734/ajfar/2023/v24i4639
A. Yustiati, Eliazer Brainerd, A. Suryana, R. Herman, I. Bangkit, I. Bari
This study aims to determine the exposure effect of insecticide with the azadirachtin active ingredient on the immunity of nile tilapia. This research was conducted in March and August for the preliminary test and September-October 2022 for the main test at Ciparanje Inland Aquaculture Hatchery, Padjadjaran University. This study used the experimental method of Complete Randomized Design with five treatments and three repeats. The nile tilapia used is 6-7 cm. The treatment used is exposure to insecticide with different doses, namely A (0 ppm), B (26.25 ppm), C (52.5 ppm), D (78.75 ppm), E (105 ppm). Parameters observed included red blood cell count, white blood cell count, feed response, shock response, and macroscopic symptoms up to day 14. Red blood cell and white blood cell data were analyzed in a quantitative descriptive manner. Data on feed response, shock response, and macroscopic symptoms were carried out in a qualitative descriptive manner. Water quality data were analyzed in a quantitative descriptive manner. The results showed that exposure of insecticide with azadirachtin active ingredient interfered fish health by increasing white blood cell count, lowering red blood cell count, disrupting feed response and shock response. The higher the concentration of insecticide given, the more it affects the immunity of tilapia. Treatment without the addition of insecticides is the best treatment in this study.
本研究旨在研究含有印楝素有效成分的杀虫剂对尼罗罗非鱼免疫力的影响。该研究于2022年3月和8月在Padjadjaran大学Ciparanje内陆水产养殖场进行初步试验,并于9月至10月进行主要试验。本研究采用完全随机设计的试验方法,5个处理,3个重复。使用的尼罗罗非鱼长6-7厘米。所使用的处理方法是接触不同剂量的杀虫剂,即A (0 ppm)、B (26.25 ppm)、C (52.5 ppm)、D (78.75 ppm)、E (105 ppm)。观察参数包括红细胞计数、白细胞计数、饲料反应、休克反应和直至第14天的宏观症状。红细胞和白细胞数据以定量描述的方式进行分析。饲料反应、休克反应和宏观症状的数据以定性描述的方式进行。水质数据以定量描述的方式进行分析。结果表明,含有印楝素活性成分的杀虫剂对鱼类健康的影响表现为白细胞计数升高、红细胞计数降低、饵料反应和休克反应紊乱。施用的杀虫剂浓度越高,对罗非鱼免疫力的影响越大。不加杀虫剂的处理是本研究的最佳处理。
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引用次数: 0
In-vitro Antibacterial Potentials of Essential oil from Citrus limon against Selected Pathogenic Bacteria Isolated from Cultured Nile Tilapia (Oreochromis niloticus) 柑橘柠檬精油对尼罗罗非鱼病原菌的体外抑菌活性研究
Pub Date : 2023-08-14 DOI: 10.9734/ajfar/2023/v24i4638
Hassan Titilayo, Ajani Emmanuel Kolawole, Osho Friday Elijah, Munguti Jonathan, Adekanmbi Abimbola Olumide, Awoyemi Esther Ibukun
Essential oils (EOs) from medicinal plants like lemon (Citrus limon) are considered promising to replace synthetic antibiotics in aquaculture production due to their ability to improve fish health. The aim of the research was to investigate the in vitro antibacterial potentials of varying levels of lemon EO against Streptococcus agalactiae, Escherichia coli, Staphylococcus aureus and Aeromonas hydrophila isolated from Nile Tilapia. This research was conducted at the Microbiology unit., Kenyan Marine and Fisheries Research Institute, Mombasa, Kenya and Environmental Microbiology and Biotechnology Laboratory, Department of Microbiology, University of Ibadan, Ibadan, Nigeria in December 2021. Extraction of EO from lemon peel was performed using steam hydro distillation. The quantitative and qualitative profiling of extracted oil was performed using Gas Chromatography-Mass Spectrometry. The antibacterial potential of lemon EO was tested against some pathogens using the agar well diffusion method while the Minimum Inhibitory Concentrations (MIC) and Minimum Bactericidal Concentration (MBC) were determined by the broth dilution method. The most abundant chemical was D-Limonene (37.56%), 3-Carene (15.88%) and Terpinen-4-ol (93.4%). The lemon EO at 100% and 50% concentration respectively showed the highest antibacterial activity against S. agalactiae (26.00mm and 28.33mm) and E. coli (33.00mm and 30.00 mm); while the least activity was observed against A. hydrophila (8.33mm and 6.67 mm) at P = .05. The MIC and MBC values revealed that 50% lemon EO inhibited bacterial growth for S. agalactiae whereas it was greater than 50% for S. aureus, E. coli and A. hydrophila. Lemon EO has potential antibacterial properties against tested pathogens that affect cultured fish and could be considered a good candidate for further research to develop new antibacterial drugs in aquaculture.
柠檬等药用植物的精油(EOs)被认为有希望取代水产养殖生产中的合成抗生素,因为它们能够改善鱼类健康。研究不同浓度柠檬EO对尼罗罗非鱼无乳链球菌、大肠杆菌、金黄色葡萄球菌和嗜水气单胞菌的体外抑菌作用。这项研究是在微生物科进行的。2021年12月,肯尼亚蒙巴萨肯尼亚海洋和渔业研究所以及尼日利亚伊巴丹伊巴丹大学微生物系环境微生物学和生物技术实验室。采用水蒸气蒸馏法从柠檬皮中提取EO。采用气相色谱-质谱联用技术对提取油进行定性和定量分析。采用琼脂孔扩散法测定柠檬EO对几种病原菌的抑菌潜力,用肉汤稀释法测定柠檬EO对几种病原菌的最小抑菌浓度(MIC)和最小杀菌浓度(MBC)。其中含量最高的是d -柠檬烯(37.56%)、3-蒈烯(15.88%)和松油烯-4-醇(93.4%)。100%和50%浓度的柠檬EO对无乳链球菌(26.00mm和28.33mm)和大肠杆菌(33.00mm和30.00 mm)的抑菌活性最高;对嗜水单胞菌(8.33mm和6.67 mm)的活性最低(P = 0.05)。MIC和MBC值表明,50%柠檬EO对无乳链球菌的抑制作用大于50%,而对金黄色葡萄球菌、大肠杆菌和嗜水杆菌的抑制作用大于50%。柠檬EO对影响养殖鱼类的病原菌具有潜在的抗菌性能,可作为进一步研究开发新型水产养殖抗菌药物的良好候选者。
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Asian Journal of Fisheries and Aquatic Research
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