ANIMLSCI 101 Lecture Notes - Lecture 14: Saltwater Fish, Kidney Disease, Swordfish
23 Sep 2016
School
Department
Course
Professor
Document Summary
Food, re-stocking habitats/ commercial fisheries, pets and exhibition. Over 90% of the world"s living biomass is in the oceans, which cover ~71% of the earth. Marine sources provide ~20% of the animal protein eaten by humans. 2010: humans consumed ~34lbs of live weight of seafood* per capita worldwide. Humans consumed ~15. 8 lbs of live weight of fish and shellfish per capita in the u. s. Worldwide = more than 50% of the seafood consumed is produced by aquaculture (vs. fishing). Capture fisheries- harvesting (hunting) of wild aquatic species. Blended fisheries- aquaculture techniques used to enhance or supplement capture fisheries. Aquaculture- annual growth rate of 6. 2 to 8. 3% worldwide since 1970. Fish are very efficient converters of feed to flesh. Over- fishing(1950"s) - environmental degradation -social & economic influences. Food and agriculture organization of the united nations (fao) estimates 70% of marine species have reached or exceeded sustainable levels (over- fished!
