店铺： 文轩网旗舰店
出版社： 化学工业出版社
ISBN：9787122211712
商品编码：1331805787
出版时间：2014-09-01
具体描述
作 者:无 著作 汪建国 主编 周凤建 等 编者 定 价:25 出 版 社:化学工业出版社 出版日期:2014年09月01日 页 数:197 装 帧:平装 ISBN:9787122211712 ●暂无
内容简介
暂无
《 aquatic delicacies: a deep dive into sustainable crustacean aquaculture 》 This comprehensive volume embarks on an in-depth exploration of the dynamic and burgeoning field of aquatic delicacies, focusing specifically on the intricate world of crustacean aquaculture. Far from being a simplistic how-to guide, this book serves as an authoritative reference and a forward-thinking manifesto for those dedicated to the responsible and profitable cultivation of these prized underwater treasures. It delves into the multifaceted aspects that define modern, sustainable aquaculture, from the foundational principles of selecting optimal species and establishing pristine aquatic environments to the sophisticated management practices that ensure both high yields and ecological integrity. The initial chapters lay a robust theoretical groundwork, meticulously detailing the biological imperatives and environmental nuances critical for successful crustacean farming. We navigate the diverse tapestry of commercially viable crustaceans, dissecting their specific life cycles, dietary requirements, and preferred habitat conditions. This foundational knowledge is crucial for any aquaculturist, enabling informed decisions regarding species selection, pond or tank design, and water quality parameters. The book emphasizes the paramount importance of water – its composition, circulation, and filtration – as the lifeblood of any aquatic farming operation. Readers will gain a profound understanding of dissolved oxygen levels, pH balance, salinity, and the impact of various chemical and biological parameters on crustacean health and growth. Strategies for achieving and maintaining optimal water quality, including natural methods and advanced technological interventions, are thoroughly examined, highlighting their direct correlation with reduced stress, improved growth rates, and enhanced disease resistance. A significant portion of the narrative is dedicated to the art and science of feed management. Recognizing that nutrition is a cornerstone of efficient aquaculture, this book offers a granular analysis of crustacean dietary needs at different life stages. It scrutinizes the composition of various feed types, from traditional protein sources to innovative alternatives, and evaluates their nutritional efficacy, cost-effectiveness, and environmental impact. The principles of balanced feeding, optimal feeding frequency, and the prevention of feed wastage are discussed in detail, empowering aquaculturists to develop feeding regimes that maximize growth while minimizing operational expenses and effluent discharge. Furthermore, the book explores the concept of feed conversion ratio (FCR) as a key performance indicator and provides practical guidance on how to improve it through careful feed selection and management. Beyond nutrition and water quality, the book dedicates substantial chapters to the physical infrastructure and operational logistics of crustacean farming. It examines various farming systems, including pond culture, raceway systems, and recirculating aquaculture systems (RAS), evaluating their respective advantages, disadvantages, and suitability for different scales of operation and environmental contexts. Detailed discussions on pond construction, tank design, aeration systems, and filtration technologies are provided, offering insights into selecting and implementing the most appropriate infrastructure. The book also addresses the critical aspects of stocking density, seed selection, and hatchery management, underscoring the importance of healthy, vigorous juveniles for the success of any grow-out operation. Readers will learn about best practices for broodstock management, artificial insemination techniques, and larval rearing, ensuring a reliable supply of high-quality seedstock. The complexities of environmental sustainability are woven throughout the narrative. The book champions a holistic approach to aquaculture that prioritizes ecological balance and minimizes the environmental footprint of farming operations. It explores methods for waste management and nutrient recycling, emphasizing the development of closed-loop systems that reduce the discharge of organic matter and nutrients into surrounding ecosystems. The principles of integrated multi-trophic aquaculture (IMTA), where different species are farmed together to create symbiotic relationships and utilize waste products, are thoroughly investigated as a model for enhancing resource efficiency and reducing environmental impact. Readers will be equipped with the knowledge to implement sustainable practices that not only benefit the environment but also contribute to the long-term viability of their farming enterprises. A critical and detailed examination of disease prevention and management forms a substantial part of this work. Instead of solely focusing on reactive treatments, the book emphasizes a proactive and preventative approach, drawing upon robust scientific understanding of crustacean pathology. It systematically identifies common pathogens, including bacteria, viruses, and parasites, that can affect various species, detailing their modes of transmission, clinical signs, and potential consequences. Crucially, the book delves into the underlying factors that predispose crustaceans to disease, such as poor water quality, inadequate nutrition, high stocking densities, and environmental stressors. Understanding these root causes is presented as the first line of defense. The preventative strategies discussed are multifaceted. Readers will find in-depth guidance on biosecurity protocols, encompassing everything from the disinfection of equipment and water sources to the careful screening of incoming stock. The importance of quarantine procedures for new arrivals is highlighted as a vital measure to prevent the introduction of pathogens into established populations. Furthermore, the book elaborates on the role of optimal husbandry practices in bolstering the natural immune defenses of crustaceans. This includes achieving ideal water parameters, providing a nutritionally complete and balanced diet, avoiding overcrowding, and minimizing handling stress. The text explores the benefits of probiotics and prebiotics in promoting gut health and enhancing immune responses, presenting them as valuable tools in a preventative health management program. When disease outbreaks do occur, the book offers a systematic approach to diagnosis and intervention. It details methods for accurate disease identification, including visual inspection, sampling techniques, and basic laboratory analyses. The importance of early detection cannot be overstated, and readers will learn to recognize subtle changes in behavior, appetite, or physical appearance that may indicate the onset of illness. The book then moves on to discuss treatment options, emphasizing a cautious and targeted approach. It critically evaluates the use of approved therapeutic agents, providing guidance on dosage, administration, and withdrawal periods to ensure food safety and prevent the development of antibiotic resistance. Importantly, the text also explores non-chemical treatment methods, such as environmental manipulation, immune stimulants, and the removal of affected individuals, offering a spectrum of options for managing outbreaks responsibly. The section on disease management also includes a strong focus on post-disease recovery and surveillance. Strategies for rehabilitating affected populations, restoring water quality, and implementing stricter biosecurity measures after an outbreak are discussed. The book advocates for the establishment of robust record-keeping systems to track disease occurrences, treatments, and outcomes, thereby facilitating ongoing monitoring and the refinement of management strategies. This commitment to continuous learning and adaptation is presented as essential for maintaining a healthy and productive aquaculture operation. The ultimate aim is to cultivate a resilient population of crustaceans that can naturally withstand common challenges, thereby reducing reliance on chemical interventions and ensuring a sustainable and high-quality output. The information presented is grounded in scientific research and practical experience, offering aquaculturists the knowledge to safeguard their valuable stocks and contribute to the responsible advancement of crustacean aquaculture.
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这本书的理论深度非常令人费解，感觉作者像是把一些零散的、未经验证的行业传闻直接堆砌起来，缺乏严谨的科学论证和实验数据支撑。它试图涵盖的范围太广，结果哪一方面都讲得浅尝辄止，更像是一本面向初学者的“入门导览”，而不是面向“高效养殖”的实操手册。比如，在谈到水质调控时，给出的建议过于笼统，没有针对不同地域、不同季节、不同养殖模式的细化方案。我尝试按照书中的某些步骤进行操作，结果效果平平，甚至有些操作反而增加了我的养殖风险。专业书籍的价值在于其知识的精确性和可复制性，而这本书在这两点上都明显不足，读完之后，我感觉自己还是得去咨询那些有实际经验的老养殖户，而不是依赖书本上的这些“理论”。这种“万金油”式的写作手法，对于追求实效的养殖者来说，简直是浪费时间。
评分这本书的更新程度令人怀疑，感觉内容像是十年前甚至更久以前的资料汇编。在如今这个科技日新月异的时代，水产养殖的技术也在不断迭代，新的饲料添加剂、更精密的传感器、以及对环境影响更小的处理方法层出不穷。然而，这本书里提到的很多设备和技术路线都显得过时了。例如，它还在大力推崇某种已经逐渐被更环保、更低成本的技术所取代的循环水系统。对于追求“高效”和“现代化”的读者来说，这种滞后的信息是具有误导性的。我需要的是与时俱进的知识，而不是一个停留在过去的技术指南。如果作者不能及时跟进最新的科研成果和市场趋势，那么这本书的参考价值就会大打折扣，最终沦为一本仅供历史参考的资料集，而非实用的生产工具书。
评分阅读体验非常糟糕，这本书的叙事逻辑混乱得让人抓狂。作者似乎没有一个清晰的脉络来组织内容，章节之间的跳转非常突兀，有时候一个关键的技术点要翻好几页才能找到前因后果的铺垫。我发现自己必须不停地在不同章节之间来回查找，才能拼凑出一个完整的操作流程，这极大地影响了学习和记忆的效率。例如，涉及到病害预防的章节，前半段还在讲营养均衡，后半段突然跳到了温控系统，两者之间的衔接生硬得像被硬生生剪贴过一样。这种结构上的缺陷，让读者很难建立起一个系统性的知识框架。如果这本书能按照“准备工作—日常管理—突发事件处理”这样的时间线索来组织，阅读起来会流畅得多。现在的编排方式，让原本枯燥的技术内容变得更加晦涩难懂，简直像在解一个没有目录的谜题。
评分我对书中使用的专业术语缺乏清晰的定义感到非常不满。作为一本面向广大养殖户的技术书籍，它假设了读者已经拥有相当深厚的生物学或水产知识背景，这对很多刚入行的年轻人或者想转型的新农人来说是极大的门槛。很多关键的指标和概念，比如“特定病原体”、“免疫激发阈值”这类词汇，书中只是轻描淡写地带过，并没有提供足够的背景知识或直观的解释。这意味着，如果我不去查阅其他更基础的教材，很多核心内容我根本无法理解其深层含义，更别提如何应用到实际生产中去。一本好的技术指导书，应该能够“向下兼容”，用清晰易懂的语言将复杂概念普及化。这本书显然没有做到这一点，它更像是写给业内专家之间交流的内部参考资料，对普通学习者不够友好。
评分这本书的排版简直是灾难，封面设计也俗气得让人不忍直视。拿到手里沉甸甸的，还以为内容会多么厚实，结果翻开前几页就开始失望。字体选择很随意，大小不一，段落之间缺乏足够的留白，读起来非常吃力，眼睛特别容易疲劳。更别提那些图表了，质量粗糙得像是用老旧的扫描仪扫出来的，很多细节都看不清，数据标注也模模糊糊，让人根本无法核对信息的准确性。讲真，作为一本号称“技术”的书籍，这种基础的印刷和排版质量简直是对读者的不尊重。如果作者和出版社在装帧和设计上多花一点心思，至少能给读者一个好点的阅读体验。现在这样子，我得揣着放大镜才能勉强读完，体验感极差，完全配不上它声称的“高效”二字。希望未来再版能请个专业的编辑和设计师来把关一下，不然光是阅读过程就能劝退一大批潜在读者。
评分书还算详细
评分还行
评分物流快速，包装很好，价格实惠
评分还行
评分henhaohahufjndslvkinfen
评分可以！
评分57576838 8 86431235466764
评分发货速度比较快，很满意。
评分henhaohahufjndslvkinfen
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