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Lethbridge Herald Newspaper Archives

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Lethbridge Herald, The (Newspaper) - February 5, 1974, Lethbridge, Alberta February 5, 1S74-THE LETHBRIDQE HERALD Research Station report Genetic varieties improve cattle vigor By JOHN LAWSON Animal Geneticist The advantages of crossbreeding compared to straightbreeding in beef cattle are apparent in earlier puberty, higher conception rate, faster growth rate, and greater ability to withstand stress The basis for these advantages is hybrid vigor which results from the differences in the genetic background of the parental breeds. In general, the greater the difference in genetic background between the parental breeds, the greater the vigor in the crossbred offspring. If the proper consideration is given to the selection of the parental breeds, the maximum hybrid vigor from crossbreeding should arise from the production of a three-way cross calf from a first-cross cow and a bull of a third breed In this way both cow and calf will exhibit hybrid vigor The most desirable first-cross female should be highly fertile, a good mother, a good milker, and an easy calver Cow efficiency as related to size is not well defined, but a high ratio of calf weight to cow weight at weaning is desirable. Secondary consideration Used Farm Equipment SWATHERS Versatile 103-15' Serial 67-18760 Versatile 103-12' Serial 65-14295 Massey Ferguson Serial 155803201 Massey Ferguson 34-18' Serial 1234601969 I.H.C. 175-16' Serial H-2200 I.H.C. 201-12' Serial H-5320-H Cockshutt 402-15' Serial 13840, P.T.O., SwatherAtt.................. Cockshutt 501-16' Serial 20598, MF. 30-15' Serial 2773, '1200 '1600 '2900 '1700 '2000 '2150 'BOO '850 '365 Forage Equipment John Deere No. 6 Serial 6FH 7961 1 Row Corn Head 6R 7477 John Deere No. 6. Serial 6FH 8994 2 Row corn head 12-2R-50964 Direct cutter head 6M-70795 I.H.C. row corn head Direct cutter head Ford 606 Blower Serial 1868 Miscellaneous JD. A Tractor Serial 699375 A.C. Dichter FitsA.C.D17 Tractor A.C. Scrapper Fits A.C.D17 Tractor MelroeSpt. hitch 20'Harrows I.H.C. No. 40 BeetDrill Renn Roller Mill J.D. 14 Hammer Mill P.T.O., skids '1430 '2100 '1250 '1000 '450 '150 '150 '450 '250 '450 '350 WE HAVE MANY HOME USED ITEMS TOO NUMEROUS TO USTI Men Farm Suppfes Ltd. Island Implements PhOM should be the presence of pigment around the eyes and udder and a docile temperament. The sire breed to be mated to the first-cross female should contribute growth rate, carcass excellence, and minimum calving problems When crossbreeding is based primarily on the production of first-cross dams, at least 40 per cent of the total cow population will have to be straightbred. This figure could be lower if crossbred bulls or rotational crossbreeding are used extensively. Rotational crossbreeding involves the use of three or more sire breeds in sequence, always using a sire of the breed that is least represented in the dam. Various combinations of breeds can be used to produce acceptable crossbred dams and market animals. Cattlemen can start with their existing cow herd-or they may purchase first- cross heifers as the basis for developing their breeding herd. Crossbreeding research at the Lethbridge Research Station is concentrated on two projects. The reproductive performance under range conditions of various first- cross dams produced from matings of Simmental, Limousin, and Charolais sires to Hereford, Angus, and Shorthorn dams is being evaluated. Also, a population of crossbreds derived from straightbred Herefords is being compared with a population of crossbreds derived from Brown Swiss, Holstein, Red Angus, and Hereford breeds 3 special RCA stereos one special price BUILT-IN STEREO-8 TAPE PLAYER ,FE 203S The Randolph Feature for feature, you can't find better value in furniture stereo anywhere! D RCA's DIMENSIA IV ENHANCED STEREO 4-CHANNEL SOUND (OPTIONAL) U STATE POWER-RATED TUNER AMPLIFIER D HIGH EFFICIENCY 4 SPEAKER SOUND SYSTEM (SFE 2035, SFE 2036) D GREY COUNTY COMPACT CREDENZA CABINETS IN 3 MOST WANTED FURNITURE STYLES D BSR 3 SPEED RECORD CHANGER WITH HIGH COMPLIANCE CARTRIDGE AND DIAMOND STYLUS Now's the time to stop thinking about enjoying a console stereo in your home We ve just acquired a limited number of RCA's new special edition, unbeatable value consoles specially built for this selling event. The price is fabulous The value tremendous The quantity limited So come in today and reserve yours. V Unmatched for style Unequalled for sound V Unbeatable (or value ItCJI SFE 2037 The Sabalmi SMITH'S COLOR TV AND APPLIANCES 236- 13th SLN. PIMM 328-5541 Closed Mondays, Open Thursday and Friday Till 9 ;