Show IPA cattle grubs are now oc occur curing ang throughout the county and are ser loosly damaging the backs of beef I 1 and dairy cattle throughout tooele thoele county infestation by cattle grubs re deuced milk yield retards growth and fattening fatten mg of beef cattle re duces the value of hides and of meat carcasses and requires trim ml ming ng an average of two pounds per carcass from grubby animals reduced milk yields results in every infested herd in every grub by milk cow later when heel flies which arise from the grubs are chasing the cattle in the fields in spring milk reduction of 10 to 15 percent often occurs the grubs are best controlled by a rotenone spray or dust in case of community action or treatment of large range herds use of cattle chute and a power sprayer applications is approximately eight to ten cents per animal per year the best time for the first treat ments is approximately 25 days after the first grubs appear in the backs of the cattle this time al ready has passed in most counties of utah the next two treatments 30 and 60 days after the first oc curs are to destroy grubs reaching the back as the season advances in small herds and for dairy am mals generally control may be at af fectea by means of a dust mixture consisting of ground cube or derns derris root in or extremely Is fine volcanic ash prepared mix tures ready for use should be placed in a shaker can with a tight lid in the top of this make 15 holes each one quarter inch thick in diameter punching outward two men working on both sides of a chute shaking dust over the backs of each of the cattle can treat 75 to cattle in an hour more than trees for utah farm planting during the spring of 1948 are now a alai lable at the dark clark mcnary tree nursery at utah state agricultural college trees will be distributed to farm ers throughout the state for farm stead windbreaks field shelter belts alts woodlot and erosion control plantings they are made available to utah farmers for these purposes by pro visions of the 1924 clark mcnary law which provided for federal co operation in the production and distribution of small tree planting stock these trees may be ed at to 3 00 per hundred which includes cost of shipping twelve species are available for planting during the present year there are four species of ever greens that have been successfully grown in utah and eight species of hardwoods the evergreens are blue spruce ponderosa pine eastern red cedar and rocky mountain juniper the hardwoods are green ash siberian elm russion olive black locust honey locust golden willow black walnut and lombardy popular for further information call at the county agents office |