Lethbridge Herald, The (Newspaper) - March 20, 1970, Lethbridge, Alberta
Black Flics Dangerous To Human Health DIt. K. II. DEPXER i Knlcznologist Black flies belong to a family of insects known as the Simu- liidae. In this family there arc over COO known species dislri- buted tliroughaut the world. Many ore persisleul and pain- ful blood-suckers of man and animals. Fomc are important as vectors of hurnr.n end animal diseases; others have been in- volved in Ihe deaths of livestock by toxemia, anaphylaxis, anil suffocation. Attacks on livestock in Canada are confined to the Wcsl and arc most common in areas near the major riveis of the central and northern regions. Humans stow a wide range of reactions to their biles and, in extreme cases, have reacted vi- o'.cnlly to a single bile. Species that allaek man arc widely dis- tribulcd but. are generally moro of a problem in the forested re- gions of Canada. One disease, transmitted by black flics affects humans liv- ing in tropical areas of Ihc West- em Hemisphere and Africa. This disease is caused by a parastic worm that requires a black flj as the intermediate host. In humans it produces a serious in fcction of the eye thai may leac to partial or complete blindness A form of this disease, car ried by another species of black fly, occurs in Australia. In Can ada end Ihe United States black flics are involved in transmit ling a protozoan parasite I poultry. The disease it produces Friday, K, 1970 THE LfTHUIOGE HtUlD -J Summary Of Farm Income Noted In Economist's Report S. LEE, P. Ag., Economist, Albrrla department ol Agriculture Farm income anl expenses or the settlers were sununar- common in wild and domes ic ducks, in geese, and in lur keys but is not known to affec mammals. Since several spec cs of black flics" are capable o ransnutting this disease an out trcnk could appear anywhcn n Canada. The egg, larval, and pupa ilages of nearly all black flj .pecies arc spent entirely in run ling water; the ndults are free- lying. In Ihc pest species, tli emalcs require a blood mco bctore their eggs will develop 7n this respect they arc similar .0 most Epccies of mosquitoes The surroundings in which Mac lies live are remarkably rli verse. The immature stages can ic found in glacial or arctic streams where temperatures arc very near freezing or in the very warm waters of equatorial streams. The streams may be clear or muddy and the rate o! flow may vary from sluggish to very swift. Considering the wide range of conditions in the world under black flics live and the very large number of species in this family, we are indeed fortunate that so few ol them arc serious pcsls. On the other hard, those species that are pests cause serious problems. We at the Lcthbridgc Research Station arc continually seeking and testing ways to control Ihesc pests so llis! the humar and non-human inhabitants ol affected areas may be proleclec from the disease and discom- fort caused by black flics. J.ASS1K OUKEN Miss Linda Maicr or Lomond was crowded by Miss Evelyn Woods of Camrose as Alberta Shorthorn Lassie Queen cf 1970 at the receot Calgary Shorthorn Sbow. Hiss Woods was tbe IMS Queen. Linda Is c daughter of Mr. and Mrs. au] Main- ol Lomond and is second year student economics at MIL Inlversily ol AlLcrla. Miss Taicr was- clioscn on a basis o ast 4-H achievements, pcr- onalily, and ability 1o nice ic public. She will have Hie onor of p r e e n L i a g rib ons and awards to Short orn winners at all the ummcr fairs and sales in .Iberia, as well as attending (her major shows such a logins, Vancouver, and Ihi loyal IV i n t c r Fair in Tor into. Lir.da wears the (radt innnl Scottish costume mail >f Ihc Alherta tartan rcnrc Editing the Scnllish licritag of the Shorthorn breed of cal lie. Gtickeii Consumption On Increase In spite of d'.c fact hat record amounts of poulry meat, speci- fically broiler chickea and tur- key, were consumed by Cana- dians in 1969, the trend estab- lished then continues into 1970. To match this, of course, pro- duction by Canadian poultrymcn keeps increasing to record lev- els as indicated by the follow- ing figures supplied from the "Poultry Market Report" pub- lished by the Canada Depart- ment of Agriculture, Markels Information Section. millions Ibs eviscerated Marketings Domestic Disappearance 19700 19700 Jan. 30.6 43.1 39.G 43.6 Feb. 32.6 3C.C' 33.4 lar 37.3 38.5 lay 43.1 ura 43.1 ury 43.2 Aug. Sept. 46.2 Oct. 46.4 Vov. 45.8 Dec. 39.9 Total 499.4 Futures WINNIPEG Winni peg livo beef futures market urcv> a small Irade Tnursday with some short-covering in the March contracts boosting prices by 35 ccnls over the previous close levels, No trades were re- corded, however. Open High Low. Close Thirrs Mar 33.00 34.00 33.99 34.CO 33.2 May 31.50 31.W Jly 31.30 31.3 Sen 30.70 30.7 45.3' 33.7 -37.8 45.2 44.0 43.7 42.9 45.0 45.2 38.8 498.9 O Average preliminary figures Are forecasts based on place ments of baby chicks. So fur broiler chick place ments in growers barns to com .0 market in 1970 are runnin 19.8 percent ahead of 13CS Every province is participate in this expansion in number with Ihc exception of P.E.I, nn Newfoundland. Quebec and Or :ario arc leading Ihe way wil British Columbia coming thir and Alberta a close fourlh. From all the facts aval lab Mrs. Consumer will be able continue lo her favo itc quick-meal si economic Ic els at any moot counter f some time to come. The poultrj industry has Ihe ability (o crease production quite rapid and at Uic present time, fill tli gap created by less than nonua supplies of pork products. Tm f.rc nble to do this and still si at very economical price levc in relation lo other meats ava able to her. cd ar.d analyzed for the years SI lo 1903 as parl cf the pro- ncial land pro- am in Ihc St. Miry River Ir- gation District ar.d River rigalion District. Weather conditions were fav- rablo during Ihc study period iccpt during when a wet )ring and dry summer caused wcr crop yields. This was par- cularly true in the BltlD here Ihc farm land r.ot roperly developed and irriga- on svas cot ir.lcnsively prsc- ced. The grain maikc-ting prcb- jm has created difficulty for ome settlers; however, UK sit ation is not considered IM ser- Grading System For Beef Cattle us as divcrsificalion of the nning program is generally rr.oticod in ihe selllemcnt reas. farm incoir.e has increased urijig Tills, of oursi! is due lo the increase in ze Other factors, such s better management and new have also contribul- loss Beallie, president ol tfc Canadian Cattlemen's Associa ion at the annual meeting o the association in Winnipeg. The new idea would base grac ing so'.ey on fat thickness, per centngc of muscle and woul eliminate waste fat which no' influences Ihc price cf beef. Mr. lieallie said there ha been some opposition from pack ing companies, but he expects no serious problems in his pre- sentation to govcrnrr.cn1. offirse club held a horse clinic Sun., Mar. 8 at llansma's Granun. The beginning rid- ers rode with help from some more advanced members. Four horses were shoivn at the halter by members while Ihcir show rmmship was judged end spok- en on. The four horses and then [cur other mares were judged and placed by the members for praclisc. Dclh Cornish reporter. alendar Of Farm Events March 21 Brooks Family Life Scries .larch 21-22 and District Science Fair March 24 Medicine Hat Weeds and Herbicides Meeting March 25 Durdclt Weed Control In Specialty Crops .larch 30 9 Olds Pcslicide Applicators Course March 31 Piuchcr Creek Hog Producers Meeting April 2-3 Spring Bull Srilc April 2 Pinchcr Creek Kcedcr Association General Mem- bership Meeting April 4 Pinchcr Creek Dud Olson Federal Minister of Agriculture April 10 Medicine Hal Soulh East Breeders Bull Sale April 16 Lethbridge Hegional 4-H Public Speaking April 16 Pir.cfcr Creek Diseases and Pests of Cereals and Forage Crops April 17 Medicine Hat Regional 4-H Public Speaking Finals April 2-1 Calgary Southern Alberla 4-H Public Speaking Finals 19lh ANNUAL LETHBRIDGE SPRING SALE THURSDAY and FRIDAY, APRIL 2 and 3 EXHIBITION PAVItlON LETHBRIDGE, ALBERTA 334 of the RIGHT BULLS FROM TOP BREEDERS IN IMS RIGHT FH.......WO3KING CONDITION AT THE RIGHT PRICE.......FIT YOUR POCKETBOOK 246 HEREFORDS 88 ABERDEEN ANGUS SHOW TIME Wednesday, April 1st al p.m. Angus and Hereford: SALE TIME Thursday, April 2nd 10 o.m. 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