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Author : Dennis Anderson
Publisher :
ISBN 13 :
Total Pages : 34 pages
Book Rating : 4.:/5 (31 download)
Download or read book Evaluation of Intensive Inbreeding for Selection of Trout Brood Stock written by Dennis Anderson and published by . This book was released on 1979 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (14 download)
Download or read book Evalutaion of intensive inbreeding for selection of trout brood stock written by and published by . This book was released on 1979 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Douglas Tave
Publisher : Food & Agriculture Org.
ISBN 13 : 9789251043400
Total Pages : 138 pages
Book Rating : 4.0/5 (434 download)
Download or read book Inbreeding and Brood Stock Management written by Douglas Tave and published by Food & Agriculture Org.. This book was released on 1999 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt: A manual dealing primarily with the problems caused by unwanted inbreeding in cultured fish populations, describing management techniques for preventing or minimising inbreeding, and also how inbreeding can be used to improve captive populations of fish
Author :
Publisher :
ISBN 13 :
Total Pages : 400 pages
Book Rating : 4.:/5 (319 download)
Download or read book Investigational Report written by and published by . This book was released on 1991 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 564 pages
Book Rating : 4.0/5 ( download)
Download or read book Sport Fishery Abstracts written by and published by . This book was released on 1976 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Per Sparre
Publisher : Food & Agriculture Org.
ISBN 13 : 9789251045268
Total Pages : 762 pages
Book Rating : 4.0/5 (452 download)
Download or read book Manual on Sample-based Data Collection for Fisheries Assessment written by Per Sparre and published by Food & Agriculture Org.. This book was released on 2000 with total page 762 pages. Available in PDF, EPUB and Kindle. Book excerpt: This manual deals with the practical implementation of a routine data collection programme. The data collection programme is developed through a top-down approach, from the identification of the objectives down to the practical recording and management of data obtained from the fishery. The issues are dealth with both through detailed discussion and by using simple examples. The examples are mostly based on situations in tropical fisheries, and in particular, experience has been drawn from developing a data collection programme in Viet Nam. The main questions addressed i n the manual are which fisheries data to collect, where and when to collect them. Only data from commercial marine capture fisheries are considered. The methodologies used are mainly appropriate for a tropical, developing county, with many small (artisanal) vessels and a few large (industrial) vessels. The methodology is the "sample-based approach". The data collection methodology presented attempts to utilize whatever information can be obtained in practice in a developing country.
Author : G. A. E. Gall
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.F/5 ( download)
Download or read book Two-stage Trout Broodstock Selection Program written by G. A. E. Gall and published by . This book was released on 1977 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : V.S. Kirpichnikov
Publisher : Springer
ISBN 13 :
Total Pages : 432 pages
Book Rating : 4.:/5 (318 download)
Download or read book Genetic Bases of Fish Selection written by V.S. Kirpichnikov and published by Springer. This book was released on 1981-11 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fish resources in natural water bodies are tending to decrease due to intensified fishing, the extensive construction of hydropower plants on rivers, and the pollution of seas and freshwater basins by indus trial and agricultural wastes. Nowadays only artificial fish rearing can meet man's requirements in fish products. Fish breeding is still very young as compared to plant breeding and animal husbandry. Although fishes have been reared artificially since ancient times in certain Asian countries, this usually included the cultivation of embryos and larvae caught in rivers and lakes. Among the exceptions, only the common carp Cyprinus carpio and the domesticated variety of the crucian carp, the goldfish Carassius auratus, which were cultivated in the East, may be mentioned. Com mon carp breeding began in China about 2000 years ago but was la ter banned by one of the emperors and started again only relatively recently. The goldfish has been cultivated for decorative purposes for about 1000 years. Many remarkable varieties of the goldfish have been developed in China and later in Japan. The first improved breeds (German "races") of the common carp known in Europe appeared after the domestication of the Da nube wild carp in the seventeenth and eighteenth centuries. Local breeds of the carp were probably established somewhat later in Chi na, Japan and Indonesia; even now these breeds have only minor differences as compared to their ancestor, the Asian wild carp.
Author : Keith Havey
Publisher :
ISBN 13 :
Total Pages : 78 pages
Book Rating : 4.:/5 (914 download)
Download or read book Evaluation of Brook Trout (Salvelinus Fontinalis) Brood Stock Developed Through Selection to Provide Progeny of Great Longevity written by Keith Havey and published by . This book was released on 1979 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 1578 pages
Book Rating : 4.:/5 (31 download)
Download or read book Animal Breeding Abstracts written by and published by . This book was released on 1982 with total page 1578 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Library of Congress. Exchange and Gift Division
Publisher :
ISBN 13 :
Total Pages : 894 pages
Book Rating : 4.3/5 (91 download)
Download or read book Monthly Checklist of State Publications written by Library of Congress. Exchange and Gift Division and published by . This book was released on 1979 with total page 894 pages. Available in PDF, EPUB and Kindle. Book excerpt: June and Dec. issues contain listings of periodicals.
Author : Peter C. Jacobson
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.3/5 (5 download)
Download or read book The Role of Research in Minnesota Fisheries Management written by Peter C. Jacobson and published by . This book was released on 1991 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Trygve Gjedrem
Publisher : Springer Science & Business Media
ISBN 13 : 9781402033414
Total Pages : 386 pages
Book Rating : 4.0/5 (334 download)
Download or read book Selection and Breeding Programs in Aquaculture written by Trygve Gjedrem and published by Springer Science & Business Media. This book was released on 2005-04-13 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although aquaculture as a biological production system has a long history, systematic and efficient breeding programs to improve economically important traits in the farmed species have rarely been utilized until recently, except for salmonid species. This means that the majority of aquaculture production (more than 90 %) is based on genetically unimproved stocks. In farm animals the situation is vastly different: practically no terrestrial farm production is based on genetically unimproved and undomesticated populations. This difference between aquaculture and livestock production is in spite of the fact that the basic elements of breeding theory are the same for fish and shellfish as for farm animals. One possible reason for the difference is the complexity of reproductive biology in aquatic species, and special consideration needs to be taken in the design of breeding plans for these species. Since 1971 AKVAFORSK, has continuously carried out large scale breeding research projects with salmonid species, and during the latest 15 years also with a number of fresh water and marine species. Results from this work and the results from other institutions around the world have brought forward considerable knowledge, which make the development of efficient breeding programs feasible. The genetic improvement obtained in selection programs for fish and shellfish is remarkable and much higher than what has been achieved in terrestrial farm animals.
Author : Trygve Gjedrem
Publisher : Springer Science & Business Media
ISBN 13 : 9048127734
Total Pages : 221 pages
Book Rating : 4.0/5 (481 download)
Download or read book Selective Breeding in Aquaculture: an Introduction written by Trygve Gjedrem and published by Springer Science & Business Media. This book was released on 2010-03-17 with total page 221 pages. Available in PDF, EPUB and Kindle. Book excerpt: The foundation of quantitative genetics theory was developed during the last century and facilitated many successful breeding programs for cultivated plants and t- restrial livestock. The results have been almost universally impressive, and today nearly all agricultural production utilises genetically improved seed and animals. The aquaculture industry can learn a great deal from these experiences, because the basic theory behind selective breeding is the same for all species. The ?rst published selection experiments in aquaculture started in 1920 s to improve disease resistance in ?sh, but it was not before the 1970 s that the ?rst family based breeding program was initiated for Atlantic salmon in Norway by AKVAFORSK. Unfortunately, the subsequent implementation of selective breeding on a wider scale in aquaculture has been slow, and despite the dramatic gains that have been demonstrated in a number of species, less than 10% of world aquaculture production is currently based on improved stocks. For the long-term sustainability of aquaculture production, there is an urgent need to develop and implement e- cient breeding programs for all species under commercial production. The ability for aquaculture to successfully meet the demands of an ever increasing human p- ulation, will rely on genetically improved stocks that utilise feed, water and land resources in an ef?cient way. Technological advances like genome sequences of aquaculture species, and advanced molecular methods means that there are new and exciting prospects for building on these well-established methods into the future.
Author : U.S. Fish and Wildlife Service
Publisher :
ISBN 13 :
Total Pages : 608 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Progressive Fish Culturist written by U.S. Fish and Wildlife Service and published by . This book was released on 1983 with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 264 pages
Book Rating : 4.3/5 (243 download)
Download or read book The Progressive Fish-culturist written by and published by . This book was released on 1983 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Food and Agriculture Organization of the United Nations
Publisher : Food & Agriculture Org.
ISBN 13 : 9789251058954
Total Pages : 670 pages
Book Rating : 4.0/5 (589 download)
Download or read book Assessment of Freshwater Fish Seed Resources for Sustainable Aquaculture written by Food and Agriculture Organization of the United Nations and published by Food & Agriculture Org.. This book was released on 2007 with total page 670 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication is presented in two parts.
