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Lethbridge Herald Newspaper Archives

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Lethbridge Herald, The (Newspaper) - November 13, 1973, Lethbridge, Alberta November 1tT3 LETHMIDOE HMALD Aristocrat cow adds herd strength New warble controls sought PRINCE B.C. Hans Rosen- lehner's Tinzgauer will be a busy .cow when she arrives from West Ger- many next spring. The an aristo- cratic descendant of a long line of prize will be ised to improve the quality beef cattle raised on Mr. Rosenlehner's ranch at Salmon 50 miles north of Prince George. In an experiment he describes as the first of its cind in British Vfr. Rosenlehner will use lis pedigreed cow to pro- luce a specialized of Softened Water helps avoid plumbing scale... Drains and piping keep open and trouble free. Saves on repair helps appli- ances work better. RENT OR BUY ASK THf HUH WHO SAY- 120 d-N. Meyer Megrith Drive Phone 327-7M7 bigger and better beef cattle. He says the new once a marketable herd is built is designed to complement the rugged and proven rather than replace it. His prize cow is expected to produce six offspring every year through ar- tificial insemination and transplantation of the embryo into Herefords. A prize Hereford bull will father the new strain. Mr. Rosenlehner says the embryos will develop for before being transplanted into selected Hereford cows. Under this procedure he expects six calves a year. IMPORTS LIMITED Mr. Rosenlehner originally had planned to import several cows but found that the federal agriculture cattle import quota had already been filled. he managed to get permission -for one im- port. Cost of the project is estimated at The at weighs hundreds of pounds more than a marketable Hereford. And about 64 per cent of the g-oss weight of the Tin- zgauer is usable compared with about 56 per cent in other types. Mr. Rosenlehner said the Tinzgauer strain will re- quire more care during harsh winters than the Hereford. the cost of production would be higher initially. But he expects the animal will eventually develop resistance to colder climates. By R. H. ROBERTSON Research Statics Strategist Warble grubs are small pests which hatch from eggs laid on the legs of cat- tle by warble flies. They burrow into the cattle's legs and move through its system to finally emerge as adults on the cattle's back. This movement through the animal causes a loss of meat cuts and the hide because of the holes left by the grubs. Once the grubs emerge from the backs of the cattle they fall on the ground. The life cycle starts again the following spring when the flies emerge from the grubs. Control of warble grubs has been attempted in many ways. Various methods have been used in the past to protect cattle from attack by the adult flies. Leg coverings were used to pre- vent them from depositing their eggs. Cattle were kept in shelters where the flies do not venture during the day. Fly repellants also were tried. Cattle were also moved from winter where the grubs to a distant summer range. Animals legs were curried to remove the eggs before they hatched or were sprayed with an insecticide to kill the grubs as they hatched. Various methods were also used to kill the grubs when they appeared in the backs of the animals. These included and sprays con- taining compounds such as tobacco and carbolic nicotine JTROHOMB an extra degree of excellence. The San Diego features Solid State Design Set and Forget Controls automatically keeps fine color and tint just the way you want it. Beautiful Deilcraft Cabinet 2 speaker system and instant sound and picture gives you color the way you've always wanted. Featured above is the Claridge and the Glengarry consoles with Electrohome's automatic color controls. JIM VAN LOO ED REOEKOP PAT ORftTEN HEINZ FISCHER MANY MORE MODELS TO CHOOSE FROM Remember the Name for Quality Sales and Service VAN'S TV SALES AND SERVICE 4O4O L ui 111 A CA4A benzene and DDT. Carbon tetrachloride was injected into the warbles with an oil can or by salt rods inserted into them. Even covering the holes in the backs of cattle with rubber patches was tried. One of the most common methods was to squeeze the grubs out of the back. This is still being done in small particularly milking dairy cows. Present control prac- using systemic organophosphorus insec- ticides applied as sprays or have many ad- vantages over the previous methods. Control is usually 95 to 100 per cent with' the added benefit that the grubs are killed as they migrate through the body and before they arrive in the back to ruin the hide and most expensive cuts of meat.. In Alberta a system of area control has been with the aim of eradicating warbles from the province. This has been tried before in and now in Ireland. With area vigilance must be main- tained when the pop- ulations are reduced to very low levels. If the program is curtailed when only a few grubs can be found the population will increase again very rapidly. At Lethbridge Research new methods are being developed as alter- natives to the use of insec- ticides. One line of .research is directed toward isolating the sub- stances that rise to immunity to older cattle and to eventually develop a vaccine that would be injected into calves to immunize them for life. Another major line of research involves the release of large numbers of sexually sterile male which will mate with the normal females and cause them to lay infertile eggs. This method is most successful when the pest population is at very low levels and could be used to advantage when area control has reduced the population of warbles to where annual treatment of ail animals does not appear to be economical. Don't Bi Disappointed in 1974 Order Your Biby Chicks Broiler Built Chicks Swift's Shaver 288 Pullets Swiff. Sex-Sal-Link Chicks and Swift's Nicholas Turkeys YOUR CHOICE OF DATES BY ORDERING NOW SWIFT CANADIAN CO. LIMITED HATCHERY DEPT. 224 12th Street N. ALBERTA SHOPPING SPREE at WITH THE PURCHASE OF EVERY NEW MOBILE HOME OR SECTIONAL HOME PURCHASED DURING OUR NOVEMBER SALE AT MOBILE HOMES SALES LOTS IN WOOKS ;