Show The County Agents Report j Duchesne County Farm News by Lloyd Smith and Norris KILL APHID PESTS BUT SPARE FRIENDS Aphids are Incoming very troublesome on many black walnut and some other observes Comity Agent Lloyd Dr George F. Utah State University Extension entomologist says spraying now will kill the Ma-lathion and are two of the better sprays for aphids and mite control They are also some of the safest sprays to use about the home and He advises spraying if the aphids are numerous and their sticky honeydew on the trees is becoming too he It's better to Jet insect friends do the job if only a few aphids are Insects such as ladybird aphid lions and other predacious bugs may control them for kill off your beneficial insects if they are doing a good job of aphid control for the Extension entomologist advised TASTIER FORAGE ENTICES CATTLE TO GRAZE SLOPES Ranchers can increase the palatability of forage and by so doing can increase grazing on their steeper range notes County Agent Lloyd Cattle tend to over-graze flatter areas before they make much me of forage on sloping Range managers have long contended with the problem of how to get more uniform use of the entire range area on mountainous ranges They have used water and trail Wayne research and Ned research assistant at Utah State have researched the use of herbicides and fertilizers to increase the palatability of On typical mountainous aspen and sagebrush-grass summer range they applied 2 herbicide at the rate of two pounds of acid equivalent per acre and nitrogen at 60 pounds per during each of three years The treatment about doubled the production of grass and the percent utilization of grasses The herbicides kill many of the plants that the cattle don't like and the nitrogen fertilizer helps the tastier grasses grow the County Agent CA I CATTLEMEN CAN ERADICATE LICE Cattlemen don't have to live with Costly cattle lice in their herds can be observes Don W. Utah State University Extension With five years of testing U. S. Department of Agriculture scientists at have proven an effective eradication procedure It includes two proper timing of insecticide treatments to break the life cycle of the plus quarantining and treating all cattle to be added to the many years cattlemen have been using control methods that reduced the number of cattle but they have not followed a procedure for completely rid of these pests in their We see many giving their animals one when we come back a month or two the animals are Tests have shown it takes at least two treatments regardless of insecticide You have to go back and re-treat 14 or 15 days after the first treatment to kill the lice that have hatched from the eggs that had been The Beltsville cattle herd used in the research was Infested with three species of cattle To eradicate these lice the scientists thoroughly sprayed the herd fourteen days with one of the insecticides commonly used for louse control for non-lactating Cattle to be added to the herd were placed in and given the same two-spray The scientists noted that most louse-control chemicals that arc safe for use on livestock will kill the crawling but they may not be completely effective against the lice especially under pasture conditions In this eradication some lice usually hatch the first but the properly timed second spraying kills the newly hatched lice before they can mature and produce eggs The Beltsville herd received the double treatment first in October of The herd was treated again in April although no lice could be found on the animals following the first The herd remained free of lice until October when a yearling heifer on pasture was found Other cattle in the same pasture and on adjoining pasture were not but both groups were given two No lice have been found on the herd even though about 90 animals have been added each |