Show shai shat L k fishing new y on coast high vitamin A content good for poultry SAN FRANCISCO discovery of the high vitamin A content of shark liver oil particularly valuable to poultry has resulted in the develop ment of shark fishing as a major in austry of california shark fishing has its greatest ac in san francisco bay and nearby waters of the pacific ocean more than 35 fishing boats based here operate out of this harbor daily and fish with long lines for the gay predatory fish that raise taise havoc with the striped bass and other game fish in california salt waters fishermen receive from 20 to 40 a ton for sharks depending upon the species caught the small dog shark is the least valuable while the larg er deep sea variety whose fins are bied for soup brings the highest price state fish and game officials said more than tons of sharks worth approximately 3 to the fisher men have been unloaded in san francisco during a single day the shark meat other than the liver is made into fertilizer officials said the oil from shark livers is packed into five gallon cans and shipped to refineries where it is converted into a byproduct by product to provide vitamin A for the california poultry industry special permits for the special type fishing gear used to catch the sharks have been issued by the state fish and game commission N B scofield chief of the bureau bareau of ma rine fisheries reported the permits require that fishing be done within a restricted zone that hooks be baited with salt fish and that the fishermen retain a boat and operator for the use of the ma rine warden in the supervision of the fishing most species of shark according to are heavy fish eaters and it is good conservation to re duce the number and destroy the advantage this species has over oth er fish caught for food or sport |