AGR 2350 Lecture Notes - Salmonidae, Cumbersome, Ocean Acidification
6 Oct 2013
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Document Summary
Common challenges for the global fish farmer. The farming of any animal, plants, or insects in any aquatic environment . 3500 bc: first records of chinese polyculture. 475 bc: first textbook on fish farming. Egyptian flooding and fish farming of lands. Hawaii: for reclamation of saline soils on plantations runoff and estuary tributaries. Taro fish ponds in hawaii, using irrigation. Seawater ponds with elaborate canals and fern gate systems for harvesting. Natural food production stimulated and/or complemented by inputs, such as, inorganic and organic fertilizers and supplemental feeds. No (or only very minor) contribution of natural food. Common challenges for the global fish farmer, cont"d: consumer concerns (eg. composition, safety of products) and demands, increasing scrutiny over environmental impacts (social political) Anisakis: lack of access to improved stock (eg. only 8. 2% of. 2010 production from genetically improved stocks) (will be using canadian industry for examples) Fish meal use by species group (% in diet) (thousand mt)
