Fish farming technology (64 risultati)

Paperback. Condizione: Fine. New and unread, however there is some shelf wear on cover Shipped from the UK within 2 business days of order being placed.

Condizione: New. pp. 564.

Condizione: New. pp. 564.

Condizione: New. pp. 564.

Condizione: New.

Condizione: New.

paperback. Condizione: New. Language:Chinese.Paperback. Publisher: China Agricultural.

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paperback. Condizione: New. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Pub Date :2003-08 Publisher: basic information about the title of the Shanghai Science and Technology Press: the mandarin fish farming new technology List Price: 10.00 yuan: Bian Yunbin Press: Shanghai Science and Technology Press Publication Date: the 2003-08ISBN: 9787532371082 Words: Page: Revision: Binding: Folio: Product ID: Editor's Choice the new mandarin fish farming technology is one of the Aquaculture Technology Series. Summary Aquaculture Technology Series. Contents First. the biological characteristics of the mandarin fish (a) classification and morphological characteristics of the distribution (b) (c) feeding habits of living habits (d) (e) Growth (f) breeding habits. the mandarin fish artificial propagation (a) the breeding ground artificial propagation of the biological basis of mandarin fish (c) the broodstock (d) of the basic conditions and infrastructure (b) artificial oxytocin (five) artificial incubation. the mandarin fish seed rearing (a) the biological characteristics of the mandarin fish fry () mandarin fish fry rearing demand for bait fish (c) mandarin fish fry nurture (d) of the cage to cultivate the mandarin fish fry (e) mandarin fish fry transport. mandarin fish into fish farming (a) mandarin fish into fish farming basic knowledge (b) pond aquaculture (c) of mandarin fish pond monoculture instance (d) home fish pro fishpond sets of support to the mandarin fish fry fish (e) home fish pool cover support (VI) with other famous high quality water Product polyculture (g) cage culture of mandarin fish farmed the mandarin fish catch (a) netting mandarin fish (two) foil Yanase fishing gears catch mandarinfish the (c) fishing mandarin fish (d) of mandarin fish barrel catch mandarinfish the (e) dry pool catching mandarinfish the six common diseases and prevention of of mandarin fish disease control (a) fish sick reason (b) of the fish disease diagnostic methods (c) fish disease prevention methods (4) Appendix (a) (b) bait bait fish fry production fingerling production . of No Digest illustrations: (e) the growth of mandarin fish whether in natural water bodies or in captivity. and its growth rate are faster. especially in the micro water and plenty of palatable food fish under the conditions of the growth rate is especially fast. Under natural conditions. mandarin fish growth and the environment. its growth rate is also different. In general. the mandarin fish then can grow up to 50 to 100 grams. at age 1 can grow to about 0.5 kg. age 2 can grow to 1 to 1.5 kg. Mandarin fish body length growth in the third instar. especially the fastest growth in winter age 1 to 2. 4 winter age began to slow down after. Weight gain and growth in body length is slightly different. faster growth before the age of 4 winter. and then begin to decline. The data indicate that male mandarin fish year growth rate than females mandarin fish fast growth. a significant increase in female mandarin fish. but in the the a female mandarin fish weight and body length growth in the second year were more than the male mandarin fish. In captivity. age 1. Mandarin fish can reach 1.4 to 1.5 kg. reared in cages for 294 days. the average mandarin fish weighing 887.95 grams. its growth rate for natural waters peers mandarin fish 5-8 times. (F) breeding habits mandarin fish due to the different geographical distribution. as well as their environment vary their sexual maturity age difference. According to the data shows that the middle and lower reaches of the Yangtze River. mandarin fish reproductive season is generally from May to July. An the winter age of males reach sexual maturity. sexual maturation minimum body length of 15.6 cm and weighs 78 grams; 2nd instar females generally begin to mature. the minimum body length of 21 cm and weighs 250 grams. Artificial breeding conditions. plenty of bait fish. the Mandarin fish grow faster. female.…

paperback. Condizione: Good. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Paperback. Pub Date :2003-03 Pages: 138 Publisher: Golden Shield Press edition printed sheets: 4.875 books end Jukou other products. so seventy-five goods.Four Satisfaction guaranteed,or money back.…

paperback. Condizione: New. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Paperback Pages Number: 152 Language: Chinese. Content of the red fish farming and processing technology has eight chapters. on knowledge of the biology and ecology of the red-tailed fish at the same time. focuses on the artificial breeding and processing of red fish other aspects of the new results. new technology.Four Satisfaction guaranteed,or money back.…

Taschenbuch. Condizione: Neu. Neuware - The kelp greenling is a cold-water marine fish belonging to the family Hexagrammidae, a group commonly referred to as greenlings. Scientifically identified as Hexagrammos decagrammus, the species occupies a distinctive position among temperate marine fishes of the North Pacific Ocean. The taxonomy of the kelp greenling reflects its evolutionary relationship with other benthic and semi-pelagic fishes adapted to rocky coastal ecosystems dominated by kelp forests, submerged reefs, and productive continental shelf environments.The family Hexagrammidae includes several genera of greenlings and related species characterized by elongated bodies, spiny dorsal fins, and strong ecological association with rocky marine habitats. Members of this family are distributed mainly in the North Pacific region, where cold nutrient-rich waters support extensive biological productivity. Within this family, the genus Hexagrammos contains multiple species exhibiting varying ecological niches and morphological adaptations.The kelp greenling is distinguished from closely related species by its body coloration, fin morphology, scale arrangement, and habitat preference. Taxonomic studies involving comparative anatomy, meristic counts, mitochondrial DNA analysis, and phylogenetic sequencing have provided clearer understanding of the evolutionary divergence within the greenling family. Modern molecular biology has strengthened classification systems by demonstrating genetic relationships that were previously inferred solely through external morphology.…

Soft cover. Condizione: New. Language:Chinese.Author:XIANG XIAN JIA LI SHAO QUAN HU NAN SHENG XIANG XI ZI ZHI ZHOU KE XUE JI SHU XIE HUI HU NAN SHENG XIANG XI ZI ZHI ZHOU KE PU GONG ZUO DUI.Binding:Soft cover.Publisher:Hunan Science and Technology Press Pub. Date :2008.

paperback. Condizione: New. Language:Chinese.Paperback. Pub Date: 2015-05 Publisher: Science and Technology Literature Publishing House.

paperback. Condizione: New. Language:Chinese.Paperback. Pub Date: 2024-05 Publisher: Hunan Science and Technology Press. This book. based on the actual situation of integrated rice-fish farming in my country. starts from the basic requirements of ecological rice-fish farming and mainly focuses on different rice-fish farming models. It elaborates on aspects such as rice paddy engineering design. pre-stocking preparation. production management techniques. and integrated rice-fish farming technology. emphasizing various in.…

paperback. Condizione: New. Language:Chinese.Paperback. Publisher: China Agricultural.

paperback. Condizione: New. Paperback. Pub Date: 2010 09 Pages: 128 Language: Chinese in Publisher: Hubei Changjiang Publishing Group. Hubei People's Publishing House farmers are the main agricultural production. agricultural scientific and technological achievements into productive forces loyal executor. which we need to effectively strengthen technology training for farmers. and improve the quality of science and technology of the majority of farmers. Party and government have always attached great importance to scien.…

paperback. Condizione: New. Language:Chinese.Paperback Pages Number: 262 Ictalurus Last Xenocypris. catfish. long kiss abalone. eel. loach. eel. Silurus meridionalis. leather beard catfish and other broad development prospect and considerable economic benefits. The biological characteristics of scaleless fish. artificial propagation. harvesting and transport. seed breeding. nutrition and food. to help you to farmed fish without scales. The experience of years of research the book experts and farmers. will be the scales .…

paperback. Condizione: New. Paperback. Pub Date: 2015-07 Pages: 200 Language: Simplified Chinese Publisher: Hunan Science and Technology Press Modern Agricultural New Technology Series: Pond Fish Farming and Fish Disease Prevention is one of the modern agricultural new technology series. This book is intended for professional fish farmers of the four major freshwater fish species. primarily focusing on pond farming. It introduces suitable fish species for pond farming. fish feed. pond fish farming techniques. and fish d.…

paperback. Condizione: New. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Pub Date :2001-07 Pages: 142 Publisher: China Agricultural Press sheets: 4.875Four Satisfaction guaranteed,or money back.

paperback. Condizione: New. Paperback. Pub Date: 2011 07 Pages: 201 Language: Chinese in Publisher: Northeast Forestry University Press series of aquaculture: Carp Fish Fat Tong and fertilizer farming techniques the main content is divided into 12 parts. the first part of a brief introduction biological characteristics of silver carp. bighead carp; second part. the third part of the analysis of water Fatness. fat pond fish fertilizer concepts and principles; Part IV summarizes the determination of common water quality i.…

paperback. Condizione: Good. Paperback. Pub Date :2011-03 Pages: 265 Publisher: Hunan Science and Technology Publishing House sheets: 8.625.

Soft cover. Condizione: New. Language:Chinese.Author:ZHU DING GUI.Binding:Soft cover.Publisher:Golden Shield Press Pub. Date :2006-09-01.

paperback. Condizione: New. Paperback. Pub Date: 2015-07 Pages: 278 Language: Simplified Chinese Publisher: Zhongyuan Farmers Publishing House Standardized Healthy Ornamental Fish Breeding Techniques addresses the requirements for healthy and safe ornamental fish breeding. covering aspects such as fish farming. ecological factors and facilities. nutrition and feed. commonly used drugs and their application methods. aquatic plants. and aquascaping. To enhance readers' understanding and application of ornamental fish bree.…

Soft cover. Condizione: New. Language:Chinese.Author:ZOU JI XING ZHUO XIAO LEI.Binding:Soft cover.Publisher:Guangdong Provincial Publishing Group. Guangdong S.

paperback. Condizione: New. Language:Chinese.Paperback Pages Number: 217 Siniperca perch farming techniques including mandarin fish. perch taxonomic status. geographical distribution. biological characteristics. ecological habits. artificial propagation. seed cultivation. into fish farming. feed. and feeding. disease control. wintering conservation breeding of new technologies. Siniperca perch farming techniques. content-rich. innovative technology. scientific. technical. operability can be. the text easy to understand. …

paperback. Condizione: New. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Paperback. Pub Date :2011-05-01 Pages: 146 Publisher: Shenyang Press title: Building a harmonious new rural series breeding class: fish farming new technology original price: 14 yuan: Hou Zhenhua Press: Shenyang Publishing the community publishing date :2011-05-01ISBN: 9787544143684 Number of words: Page: 146 Edition: 1 Format: Folio: 32 Weight: Editor's Summary build a harmonious new countryside series farming class: fish farming new technology The main task of the popularization of scientific and technological knowledge for the majority of farmers. spread advanced culture. and to provide spiritual nourishment. human care. multi-level efforts to meet the spiritual and cultural needs of the majority of the rural masses basic and growing. multifaceted cultural consumption needs. The construction of the project is of great significance to the protection of basic cultural rights and interests of the masses of peasants. new socialist countryside and the construction of a well-off society. Contents Preface / Chen Xiwen Chapter environmental factors for fish farming the Section 1 fish farming mode Section II water fish farming environmental requirements in section III pond construction and management techniques the fourth quarter of fish farming water quality control and pH control of dissolved oxygen control technology section VII. section V of the management techniques of fish farming water temperature control Technical Section VI fish farming fish farming technology section VII of fish farming water transparency Control Technology Section VIII fish the breeding water quality regulation the Technical Section IX fish farming ammonia nitrogen of the second chapter of the fish of the regulation the technical section X of fish farming nitrite Control Section XI of fish and with fish to the swap technology Silurus meridionalis breeding technology of the farming techniques of the main varieties of the first section carp breeding technology section II of sturgeon farming techniques the third quarter Channa argus farming technology Section IV Section V microlepis fish farming techniques Section VI Pelteobagrus farming techniques in section VII of eel farming long kiss in Section 12 of the Technical Section VIII eel farming technology section IX. mandarin fish farming technology section X. Section XI of puffer fish farming technology whitebait breeding technology abalone farming techniques section 13 rouge fish farming techniques in section XIV carp 19 of the 18 of the section 15 gold farming techniques trout farming techniques sixteenth section Clarias gariepinus farming technology seventeenth section sweetlips pomfret breeding technology section freshwater pomfret breeding technology section of the rainbow sea bream farming technology twenty-section California the the bass breeding technology at its twenty-one Alburnus Erythroculter farming techniques . Chapter Chapter artificial propagation of fish culture technology fish breeding and Prevention technology author abstracts preambleFour Satisfaction guaranteed,or money back.…

paperback. Condizione: New. Language:Chinese.Publisher: Social.

paperback. Condizione: New. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Paperback. Pub Date :2002-12-01 Pages: 137 Language: Chinese Publisher: Golden Shield Press Information Title: Snakehead practical farming techniques with high quality freshwater fish farming techniques Series Price: 5.50 yuan Author : Yao Wei Jian Press: Shield Publishing society Publication Date :2002-12-1ISBN: 9787508221915 words: 103.000 yards : 137 Revision: 1 Binding: Paperback : Weight : body language: product ID: 705359 Editor's Summary This book by an expert . Institute of Hydrobiolo.Four Satisfaction guaranteed,or money back.…

paperback. Condizione: New. Language:Chinese.Paperback. Pub Date: 2014-2-1 Pages: 170 Publisher: Zhejiang Science and Technology Publishing House Contents: one. the main breeding freshwater fish species (a) conventional fish (two) famous fish (three) selection principle two breeding species . freshwater fish farming environmental conditions (a) the basic conditions for breeding sites (two) conditions three ponds. freshwater aquaculture water quality conditions and control technology (a) pond water conditions (two) four . …