F.K. Brazle


Cattlemen's Day, 1993; Kansas Agricultural Experiment Station contribution; no. 93-318-S; Report of progress (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service); 678; Beef; Zinc methionine; Zinpro; Footrot; Native grass; Stocker cattle


In a 3-year study, crossbred steers averaging 585 lb were allotted to groups given either a control or zinc methionine-supplemented mineral mixture while grazing burned native pastures in early summer. The steers were monitored for weight gain and incidence of footrot. The addition of 100 lb Zinpro 100® (50% zinc methionine) per ton of free-choice mineral mixture improved (P<.06) steer daily gain .08 lb. and reduced the incidence of footrot 55% (5.38 vs. 2.45%; P<.06). The gain benefit could not be attributed entirely to reduced footrot, but appeared to also have a nutritional basis.


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