Newspapers / The Chowan Herald (Edenton, … / April 15, 1982, edition 1 / Page 14
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Page 6-B Tilapia, Important Fish Tilapia is the most im portant {ood fish in the world. It is delicious, fast - growing and' able to withstaild phot water quality conditions. But in North Carolina, tilapia has another use. At least two large industries, Carolina Power and' Light Company »// and Texas gulf ! Chemicals Corporation,' Are using tilapia to control vegetation. Consequently, the tilapia are paying big dividends. Few people around here have ever heard of tilapia. They come from Africa and look a lot like bream. They can live in fresh or brackish water and withstand many conditions fatal to most fish. But, they cannot live in water colder than 50 degrees F. Their major source of food is algae. Algae and aquatic plants can be a big problem for industries that regularly move large volumes of water. The Texasgulf phosphate mine in Beaufort County moves up to 60 million gallons of water per day through dewatering canals in order to strip - mine phosphate. Algae and plants clog the canals and must be removed. That used to require expensive equipment and considerable labor. Now, Texasgulf stocks tilapia and saves $15,000 to $20,000 per year. Carolina Power and Light Company uses tilapia to eliminate aquatic vegetation clogging intake screens at one of its elec tricity - generating plants. Sixty thousand fish were stocked at a cost of $15,000. Almost one million dollars were saved in one year. The same characteristics that make tilapia so at tractive to large cor porations should also appeal to private pond owners. Besides clogging water transport systems, algae can be unsightly and a hindrance to recreation. Computer Show All the major computer manufacturers will present $25 - million worth of their equipmentat the “Virginia - Carolina Computer Show & Office Equipment Ex position, April 23 to April 25 at the Pavilion,in Virginia Beach. Computers from Wang, Data General, Hewlett - Packard, Lanier, Radio Shack, Wanatabe, Heathkit, Texas Instruments, IBM, Volks, Raytheon, Dic taphone, Xerox, Atari, NCR and others grill be on display and for sale - some at in credible bargain prices - at the show. . , There will be 30,000 square sept of business and personal computers, word and data .processors, telecommunications equipment, computer graphics, office machines, software systems, software consultants, .computer supplies .and accessories and video games. The world’s first and only rock n*roll robot band - the Nuclear Diode Robot Band - will perform throughout the three - day event. This computerized, four - piece band performs electro - pop, synthesized music through a whirring,. blinking and flashing of mechanized NASA parts. Show hours are 11 A.M- to 6 P.M. oq Friday and Saturday, noon to 6 P.M. on Sunday. Admission is $4 for adults and $2 for children 12 years and under. For further information contact Linda Roth, (202) 842 - 3470. ‘■ * * Pork coiuumjrtion in creased from MM pounds par capita in r9T7 t 073.5 pounds in I9MO. f f Some states allow in ! traduction of another fish, grass carp, for algae and i aquatic plant control. But ' grass carp can live for many i years and grow very large ' in North Carolina. For that > reason, it is illegal to bring i them into our state. Policymakers are afraid the grass carp will compete with game fish for habitat or eat beneficial aquatic plants. For example, some aquatic vegetation is very important to ducks and geese. Unlike the grass carp, however, tilapia will survive winters in North ' More than two dozen species of tilapia utilize the By Johnny Foster UNC Sea Grant various niches of the food chain. Some eat microscopic plankton, some eat filamintous algae and some will eat the tender shoots of rooted aquatic plants. But none of the species cap survive below 50 degrees F for long periods of time. Because of this limited growing season, it is unlikely populations could get out of control. Thus, they offer a temporary management tool for seasonal peaks of nuisance vegetation. Tilapia are a prolific species. They can reproduce rapidly, and even small tilapia are capable of breeding. Feeding the fish is relatively inexpensive because they don’t require animal protein. For these reasons, finger ling tilapia for vegetation control should be relatively inex pensive. They can be pur chased from a hatchery utilizing warm water, or a small percentate can be overwintered in warm water and allowed to begin reproducing in the spring. As the aquatic plants in crease production, so should the fish. Farmers will be in terested to know that livestock or poultry manure can fertilize a pond to grow tilapia. The tilapia can then be used directly for feed or made into a fish meal. The fish have a high quality flesh, are extremely nutritious and are ab solutely delicious. So, as tilapia become more familiar to people, they could become an important food fish. But for the time being, they are important to industries interested in controlling aquatic ’ vegetation. (Ecological aquaculture . utilizing tilapia will be the E topic of a future column.) i Survey Slated - RALEIGH Students trained in North Carolina’s * community colleges system ’ make good employees, say a ’ majority of the 3,630 em ' ployers recently surveyed 1 by the Department of Community Colleges. ‘ A total of 83.8 per cent of 1 the employers say the quality of work of com : munity college - trained : personnel is good to very 1 good and 77.6 per cent report 1 similar findings for their production rates. r The survey is the second ’ part of a statewide follow • e up study the Department conducted last year of more s than 53,000 former vocational and technical y students. Employers ser- B veyed were those designated by the former 6 students participating in the 5 original follow -up survey. The Department surveyed ’ 6,108 employers, * representing a variety of jj industries in North 1 Carolina. More than half (50.4 per cent) returned the “ survey, rating the former a students’ performance on 3 the job. The latest survey asked 2 employers about the former students’ training and 3 personal characteristics. ’ Technical knowledge, _ work quality and work at titude were all rated good to very good, with work quality and work attitude receiving the higher marks. 1/ IWm IF YOU’RE NOT SHOPPING AT - WINN-DIXIE, AREN’T YOU TIRED OF PAYING TOO MUCH FOR YOUR GROCERIES? Week After Week After Week, We Beat The Store That I Claims To Be "LOWEST” In Head-To-Head Price Comparisons. I 10-LB. CAT UTTER 49-0 Z. BOLD DETERGENT 48-OZ. SNOWDRIFT SHORTENING / |j._7 _ \ 3-LB. CRISCO / / — ■ \ 32-OZ. LISTERINE / LFPlW'y.v. I X I IQ-LB. IDAHO BAKING POTATOES / \ UtRH o'*'c pSl pUt \ 8-OZ. NESCAFE COFFEE / / \xut B fc.r.w lOU \ 1-LB. STORE BRAND PORK SAUSAGE / urn, / V Ht Tjs/fcb/o* \ SCOTT TOWELS Stf / I \ \ 1-LB. BAG MAXWELL HOUSE COFFEE / "W-fOOD . ** f / \ \ 5-LB. STORE BRAND SUGAR / WOCffry J 8* 0 / \ s9* \ 16-OZ. STORE BRAND CUT GREEN BEANS / GPOCFPy I.Mi / \ „ . .TlfeVt *79fv \ 1-LB. STORE BRAND MARGARINE / Qpnrr£Z 161 t \ctf U V \ U9t \ 46-OZ.HI-C FRUIT DRINK / iJESwL I L / VoSt \ 46-OZ. STORE BRAND PINEAPPLE JUICE / l / \S«OW*' u6 oI \* b 9t \ 20-OZ. STORE BRAND CRUSHED PINEAPPLE / £99 0 / \t& JKr , 99ft \ 1-LB. STORE BRAND BACON / WOCfJty' 2.79 I / U W ' C Tfß\N£ ,’.9o r \ 28-OZ. COMET RICE / 4.2? . / \ySSUtE -21 \ £?b^a?ro?s N CH,CKCN POT P,C / SH9OO »L / *w* \ celery / SnreS! 2 70° TOl* tL uo 9t \ 8-PAK 16-OZ. COKE / f& L I cO FFEE ..39C \ BOTTLE DEPOSIT / &OCSRY 1 & l \ u , f r POHCW \ / GROCERY 1 10 L '"'A ngr* « \poi \ / nnoKE 1 Ijmouc • I ’ c \ / fwoiw » 11 ter 's-.\ ssg” .st \ L TOTAL 2* 34 / Winn-Dixie s Combination Os EVERYDAY LOW PRICEBREAKERS, DEEP-CUT PRICE BREAKER SPECIALS And PRICE BREAKER COUPONS Offer You Unbeatable Savings. I Make your own comparison and you'll discover what I hundreds of thousands of Winn-Dixie Shoppers I already kn0w..... I NOBODY SAVES YOU MORE THAN WINN-DIXIE! •PRICE SURVEY DONE ON MARCH 24TH SOME PRICES MAY HAVE CHANGH) SINCE THAT TIME. I THE CHOWAN HERALD Thursday, April 18, 1982 -
The Chowan Herald (Edenton, N.C.)
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April 15, 1982, edition 1
14
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