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Variations in Some Electrolytes in Tilapia guineensis Exposed to Dimethoate (DMC) 几内亚罗非鱼暴露于乐果(DMC)后某些电解质的变化
Pub Date : 1900-01-01 DOI: 10.20431/2454-7670.0504003
Alalibo, A. AkinrotimiO.
Almost Everywhere in different parts of the world the aquatic environment is continuously being loaded with contaminants released by urban communities and industries [1]. In many of these places, myriads of organic trace pollutants, such as polychlorinated biphenyls, organ chlorine pesticides, hydrocarbons and polychlorinated dibenzofurans have been produced and, in part, discharged into land and waters [2]. For certain decades now, humanity has turned out to be mindful of the capability of the impact of these synthetic compounds and their potential dangers for oceanic and earthly biological systems specifically. A definitive part of the bargain is the aquatic condition, either because of direct release or to hydrologic and climatic procedures [3-4].
在世界各地的水环境中,城市社区和工业排放的污染物几乎无处不在[1]。在许多这样的地方,已经产生了无数的有机微量污染物,如多氯联苯、有机氯农药、碳氢化合物和多氯二苯并呋喃,并部分排放到土地和水域中[2]。几十年来,人类已经注意到这些合成化合物的影响能力,特别是它们对海洋和地球生物系统的潜在危险。由于直接释放或水文和气候过程[3-4],交易的决定性部分是水生条件。
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引用次数: 1
Evaluation of Hematological Parameters in two Different Species Trout Exposed to Chlorpyrifos 毒死蜱对两种不同种类鳟鱼血液学指标的影响
Pub Date : 1900-01-01 DOI: 10.20431/2454-7670.0501003
Veysel Parlak
Chlorpyrifos (CPF) is intensively used pesticide based on organophosphate insecticide. CPF includes a phosphor thiol functional moiety, has been broadly used in agricultural applies to increase crop yields [1-2]. It was shown that CPF was the pollutants in surface and ground water of many countries. Furthermore, CPF has also been detected in many aquatic ecosystems, including natural and urban streams, rivers and lakes [3]. CPF is very toxic for fish even at low concentrations [4]. Therefore, fish and aquatic organisms and water ecosystems are negatively affecting the balance. There are many studies on the adverse effects of CPF toxicity in fish [5-6-7]. Fish have proved to be good models to evaluate the toxicity and effects of contaminants in previous studies. Rainbow trout and brown trout are an economically important fish species, commonly found in rivers and Dam Lake in Turkey and considered as a potential bio indicator species [8]. Exposure of fish to various chemicals can cause changes in various hematological parameters [9]. Examination of the hematological parameters of organism in studies carried out in order to determine toxic effects is important for achieving correct knowledge [8-10]. Hematology is a science that not only gives information about fish diseases but also determines the effects of nutrition and environmental factors. Fish affects all kinds of stresses, diseases, nutritional deficiencies, toxic substances, changes in water quality and other environmental factors [11]. Hematological parameters are very important diagnosis of diseases. Erythrocyte and leukocyte counts, hemoglobin, hematocrit and platelet counts can easily respond to determining stress caused by environmental pollutants. The measurement of hematological changes in the blood has an important role in predicting the toxic effects of toxic substances [12]. The study of hematology parameters in fishes has been widely used for the detection of physio pathological alterations in different conditions of stress. Consequently, in the present investigation an effort has been made to study the effect of CPF on alterations in hematological parameters of rainbow trout and brown trout to the same stressor were compared.
毒死蜱(Chlorpyrifos, CPF)是一种广泛使用的有机磷农药。CPF含有一个磷硫醇功能片段,已广泛应用于农业中以提高作物产量[1-2]。研究表明,CPF是许多国家地表水和地下水中的污染物。此外,在许多水生生态系统中也发现了CPF,包括自然和城市溪流、河流和湖泊[3]。CPF即使在低浓度下也对鱼类有很大毒性[4]。因此,鱼类和水生生物以及水生态系统对平衡产生了负面影响。关于CPF毒性对鱼类的不良影响的研究很多[5-6-7]。在以往的研究中,鱼类已被证明是评估污染物毒性和影响的良好模型。虹鳟鱼和褐鳟是经济上重要的鱼类,常见于土耳其的河流和坝湖,被认为是潜在的生物指示物种[8]。鱼类接触各种化学物质会引起各种血液参数的变化[9]。为了确定毒性作用,在研究中检查生物体的血液学参数对于获得正确的知识非常重要[8-10]。血液学是一门科学,它不仅提供有关鱼类疾病的信息,而且还决定营养和环境因素的影响。鱼类受各种应激、疾病、营养缺乏、有毒物质、水质变化等环境因素的影响[11]。血液学参数是诊断疾病的重要指标。红细胞和白细胞计数、血红蛋白、红细胞压积和血小板计数可以很容易地响应环境污染物引起的应激。测量血液中的血液学变化对预测有毒物质的毒性作用具有重要作用[12]。鱼类血液学参数的研究已被广泛用于检测不同应激条件下的生理病理变化。因此,本研究比较了CPF对虹鳟鱼和褐鳟鱼在相同应激源下血液学参数变化的影响。
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引用次数: 1
Effects of Dimethoate on Condition Factor and Organosomatic Indices of Heterobranchus Longifilis (Valenciennes, 1840) 乐果对长尾异枝(valciennes, 1840)条件因子和器体指标的影响
Pub Date : 1900-01-01 DOI: 10.20431/2454-7670.0701001
Wilfred – Ekprikpo
In recent times, pollution has been a most important threat to the sustainability of aquatic environment [1]. The use of chemicals in various agriculture operations have been on the increase especially on the developing countries across the globe [2]. Pesticides can be described as substances that are used for controlling pest in homes and agricultural field. In the recent times, pesticides use is on the increasing trend. As such, pesticides are among the important pollutants of the aquatic ecosystem [3]. Conversely, Gabriel et al. [4] reported that chemicals such as pesticides are among the most potentially harmful chemicals introduced into the aquatic environment through various human activities. Several collections of these pesticides are lethal to the non-targeted organisms especially fish in the aquatic environment [5]. The degree of toxicity of these chemicals depends largely on their compositions, rate and mode of application and as well as the immune system and other metabolic pathways of the target organisms. Apart from these, agrochemicals can also be classified based on target organisms. Classification based on targets organisms includes insecticides, rodenticides, herbicides and fumigants [6, 7].
近年来,污染已成为水生环境可持续性的最重要威胁[1]。化学品在各种农业操作中的使用一直在增加,特别是在全球的发展中国家[2]。农药可以被描述为用于控制家庭和农田害虫的物质。近年来,农药的使用呈增加趋势。因此,农药是水生生态系统的重要污染物之一[3]。相反,Gabriel等人[4]报道,农药等化学物质是通过各种人类活动引入水生环境的最具潜在危害的化学物质之一。这些农药的一些集合对水生环境中的非目标生物,特别是鱼类具有致命性[5]。这些化学品的毒性程度在很大程度上取决于它们的成分、用量和使用方式,以及目标生物体的免疫系统和其他代谢途径。除此之外,农用化学品还可以根据目标生物进行分类。根据目标生物分类包括杀虫剂、杀鼠剂、除草剂和熏蒸剂[6,7]。
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引用次数: 0
Shrimp Culture 虾文化
Pub Date : 1900-01-01 DOI: 10.20431/2454-7670.0603005
P. Leung, C. Engle, T. Nhuong, D. Brennan, H. Clayton, N. Preston
The chapter presents an overview of shrimp production and trade. It does not provide a detailed analysis of individual supplying countries or markets but aims to serve as a background document on the current situation in world shrimp trade.
本章概述了虾的生产和贸易。它不提供对个别供应国或市场的详细分析,但旨在作为关于世界虾类贸易现状的背景文件。
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引用次数: 7
Research on the Application of Fishery Anesthetic MS-222 and Eugenol in China 渔业麻醉药MS-222和丁香酚在中国的应用研究
Pub Date : 1900-01-01 DOI: 10.20431/2454-7670.0504004
Xiao-jiang Chen
As a large aquaculture industry country, China has been producing the world’s largest number of aquaculture production for many years. In the operation to aquatic animals such as fishing, transportation, artificial propagation, individual marking, internal anatomy and external morphological measurement, etc., aquatic animals will produce strong stress reactions, such as mucus secretion, jumping and struggling, which seriously hamper the smooth development of related work and cause some harm to fish. The scientific and rational use of anesthetics can significantly reduce the stress response of fish, reduce the damage to fish, and facilitate manual operation.
中国作为水产养殖大国,多年来一直是世界上水产养殖产量最多的国家。在对水生动物进行捕捞、运输、人工繁殖、个体标记、内部解剖和外部形态测量等操作时,水生动物会产生强烈的应激反应,如分泌粘液、跳跃、挣扎等,严重妨碍相关工作的顺利开展,并对鱼类造成一定的危害。科学合理地使用麻醉药,可以显著降低鱼的应激反应,减少对鱼的伤害,方便人工操作。
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引用次数: 1
Intra and Inter-Population Morphological Variation of Chrysichthysnigrodigitatus Stocks in the Ebrié Lagoon (Côte d’Ivoire) 科特迪瓦ebri<s:1>泻湖(Côte d ' ivvoire)黑尾蝶种群形态的种群内和种群间变异
Pub Date : 1900-01-01 DOI: 10.20431/2454-7670.0503001
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引用次数: 0
Cytotoxic Activity of Solvent Extracts of Detrital Zostera spp. Leaves Collected from West Coast of Turkey 土耳其西海岸带状藻碎屑叶溶剂提取物的细胞毒活性研究
Pub Date : 1900-01-01 DOI: 10.20431/2454-7670.0501002
H. Y. Yildiz, Ö. B. Acikara, M. Eryilmaz, S. Ozbilgin, Burçin Ergene, G. Işcan
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引用次数: 0
Observation on the Postembryonic Development of Abbottina rivularis 江菖蒲胚胎后发育的观察
Pub Date : 1900-01-01 DOI: 10.20431/2454-7670.0604002
Yungan Zhu, Weijuan Qiu, Jie Wang, Zhi-Xue Lu, Wenyu Qiu, Ziming Zhao
The fertilized eggs of Abbottina rivularis hatched out after 124h at 19~23°C. Postembryonic development stages could have divided into larval stage I, larval stage II and larval stage III. The total length of newly hatched larvae is 3.32 to 4.67mm, and the length of the hair on the head is 0.048 to 0.168mm. The length of the hair on both sides of the body is 0.041 to 0.068 mm. The length of yolk sac is 0.62~ 1.21mm, and the short diameter is 0.26~0.41mm, and disappeared after 24~27h.
在19~23℃条件下,124h受精卵孵化。胚胎后发育阶段可分为幼虫I期、幼虫II期和幼虫III期。新孵化的幼虫总长度为3.32 ~ 4.67mm,头毛长度为0.048 ~ 0.168mm。身体两侧的毛发长度为0.041 ~ 0.068毫米。卵黄囊长0.62~ 1.21mm,短径0.26~0.41mm, 24~27h后消失。
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引用次数: 0
Culture Technology of Chinese Sucker (Myxocyprinusasiaticus) 中华吸盘(Myxocyprinusasiaticus)培养技术
Pub Date : 1900-01-01 DOI: 10.20431/2454-7670.0504002
Xiao-jiang Chen
Chinese Myxocyprinusasiaticus is one of the most important economic fish in the upper reaches of the Yangtze River in China. It has not only edible value, but also great ornamental value. From March to April each year, the Myxocyprinusasiaticus lay eggs and propagate under the rapids of Jinsha River, Zhijiang and Jialing River. Juveniles go downstream along the Yangtze River, part into streams, part into lakes, and their maximum body weight is about 35 kg. Because of the environmental damage caused by water conservancy projects and so on, the Myxocyprinusasiaticus cannot propagate in the upper reaches, resulting in a significant reduction in resources. Therefore, it is listed as the second-class protected animal in China [1-2]. Therefore, the market gap of artificial cultivation of Myxocyprinusasiaticus is large, and the cultivation of fry and adult fish culture technology need to be further improved.
中国粘鲤是中国长江上游重要的经济鱼类之一。它不仅有食用价值,而且有很大的观赏价值。每年3 - 4月,在金沙江、芷江和嘉陵江的急流下产卵繁殖。幼鱼沿长江顺流而下,部分入溪,部分入湖,最大体重约35公斤。由于水利工程等对环境的破坏,使粘红藻无法在上游繁殖,导致资源明显减少。因此被列为中国二级保护动物[1-2]。因此,人工养殖红鳉市场缺口较大,鱼苗和成鱼养殖技术有待进一步完善。
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引用次数: 0
Mathematical Analysis of Morphometric Attributes Effects on Body Weight of Three-Month-Old Lates Calcarifer 形态计量属性对3月龄哺乳动物体重影响的数学分析
Pub Date : 1900-01-01 DOI: 10.20431/2454-7670.0504007
Y. Rui, Zhao Wang, Yu Gang, Ma Zhenhua
Lates calcarifer is also known as Asian seabass or ‘Barramundi’ or giant sea perchan, and it is an important euryhaline carnivorous fish. It can be cultured in both brackish and freshwater ponds as well as in cages (Shanmugaarasu, Kathiresan, Ilanchelian & Rajendran, 2018). Such as Lates calcarifer is increasingly significant tropical aquaculture species of the Indo-Pacific region and has been cultured for over 30 years in Southeast Asia (Yue, Li, Chao, Chou & Orban, 2002). And now Lates calcarifer is also an important commercial fish in China , especially the southeast coast. At present, the research on Lates calcariferis was mainly focused on cultivation, nutrition, immunity, physiology, disease, genetics and so on (ATHAUDA & ANDERSON, 2014; DOMINGOS, ZENGER & ERRY, 2015; Lin, Yan, Rui-rong, Yang & Xue-peng, 2015; RANJAN, PRASAD & VANI, 2014; TRUJILLO-GONZÁLEZ, JOHNSON L & CONSTANTINOIU, 2015). However, the relationship between morphometric attributes and body weight is one of the basic characteristics for its thoroughbred breeding but rarely reported. Multivariate analysis is one of the main ways to determine the relationship between morphological traits,and it has been widely used in aquatic breeding, for example Pelodiscus sinensis(Fengfan, Wei, Xinping & Jian, 2015),Exopalaemon carinicauda(Chengsong, Fuhua & Jianhai, 2013),Orithyia sinica(Shou-Min, Ren-Jie & Ling-Xu, 2015),Synodus macrops(Jiayu, Wenqi, Yangjie, Qinyu & Jian, 2013), Pinctada fucata and so on(Caigang, Baosuo & Dongling, 2015).
晚期钙化鱼也被称为亚洲海鲈或“澳洲鲈鱼”或巨型海鲈,它是一种重要的泛盐肉食性鱼类。它可以在咸淡水和淡水池塘中养殖,也可以在网箱中养殖(Shanmugaarasu, Kathiresan, Ilanchelian & Rajendran, 2018)。如calcarifer late是印度-太平洋地区日益重要的热带水产养殖品种,在东南亚已经养殖了30多年(Yue, Li, Chao, Chou & Orban, 2002)。在中国,尤其是东南沿海地区,赤鳉也是一种重要的商业鱼类。目前,对calcariferis的研究主要集中在栽培、营养、免疫、生理、疾病、遗传学等方面(ATHAUDA & ANDERSON, 2014;多明戈斯,曾格&艾瑞,2015;林燕,杨瑞荣,杨雪鹏,2015;Ranjan, prasad & vani, 2014;Trujillo-gonzÁlez, Johnson l & constantinoiu, 2015)。然而,形态性状与体重的关系是纯种马的基本性状之一,但鲜有报道。多变量分析是确定形态性状之间关系的主要方法之一,在水产养殖中得到了广泛应用,如Pelodiscus sinensis(Fengfan, Wei, Xinping, Jian, 2015),Exopalaemon carinicauda(Chengsong, Fuhua, Jianhai, 2013),Orithyia sinica(shoumin, Ren-Jie, lingxu, 2015),Synodus macrops(Jiayu, Wenqi, Yangjie, Qinyu, Jian, 2013), Pinctada fucata等(蔡刚,Baosuo, Dongling, 2015)。
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引用次数: 0
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International Journal of Innovative Studies in Aquatic Biology and Fisheries
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