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Intensive Fish Farming.

Publication of "Intensive Fish Farming," edited by Jonathan Shepherd and Niall Bromage has been announced by Blackwell Scientific Publications, Inc., P.O. Box 50009, Palo Alto, CA 94303. Shepherd, former deputy director of the Institute of Aquaculture in Scotland is managing director of a Spanish aquaculture firm; Bromage is with the Institute of Aquaculture, University of Stirling, Scotland, and their book provides an authoritative review of current fish fanning methods. The title term "intensive" separates the methods used for such species as channel catfish, trout, salmon, and yellowtail from the "extensive" means which, they say, relies more on art than science. Intensively farmed fish, they clarify, are "bred, reared and harvested within purpose-built facilities at high stocking densities" where the farmer uses mainly formulated diets and good husbandry instead of just fertilizers to improve nutrition in very large fish ponds.

Successful examples are reviewed in specific chapters on intensive marine fanning in Japan by Takeshi Watanabe, fish culture in the United States by Nick Parker, and the development of polyculture in Israel by Shmuel Sharig. Watanabe's chapter discusses the culture of such species as red seabrearn, Pagrus major; yellowtail, Seriola quinqueradiata; and Japanese flounder, Paralichthys olivaceus, including broodstock maintenance, spawning, larval rearing, feeding schedules, growth, and production. Parker reviews culture of channel catfish, trout, salmon, striped bass (and hybrids), baitfish, tropical fish, and exotic species such as the various carps and tilapias. Sharig has reviewed the progression of fish culture in Israel from carp monoculture and polyculture with different size groups of carp, carp and mullet, tilapias, and using as many as 3-5 different species, into more intensive culture systems utilizing pond aeration, automatic feeders, higher stocking rates, etc., and adapting fish ponds for use for irrigation storage and merging them into the overall farm water scheme.

Initial chapters lead the reader through a general discussion of fish farming, the environmental requirements of fish and farm site evaluation, fish farming systems and culture practices, propagation and stock improvement, fish nutrition and growth, and fish health and disease. Overall, the book provides a good review of intensive fish farming practices and the factors that either aid or detract from their success, and it would be useful for students and others interested in these up-to-date and proven methods of fish culture.

One appendix provides an economic case study of Atlantic salmon fanning; another lists useful information, i.e., aquaculture journals and related periodicals and scientific and common names of farmed fishes. Indexed, the hardbound 404-page volume is available from the publisher.
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Publication:Marine Fisheries Review
Article Type:Book Review
Date:Jan 1, 1989
Words:419
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