Show Third Stage of Grub Control Program Completed on Cattle The third phase of the large cattle grub control demonstration I tion lion being conducted in Sanpete I county was completed the first week in April according to Dennis Dennis Dennis Den Den- nis Funk agricultural agent The third phase was to count the grubs that are now appearing appearing appearing appear appear- ing in the backs of the cattle The count was made by Dr Geo Knowlton extension entomologist entomologist logist lo- lo gist Dr Don Thomas extension I veterinarian Cleon Kotter extension ex ext extension ex- ex t tension information tion specialist all nIl from Utah State University O. O B. B Hitchcock and Irwin El Elliott Elliott Elliott El- El liott Corporation and Dennis Funk and Paul Grimshaw Grimshaw Grim- Grim shaw Sanpete county agents A sample of both the sprayed and unsprayed animals was checked In head hend that had hadnot hadnot not been sprayed we found 1027 grubs or 85 grubs per animal Some of the unsprayed animals had no grubs while others had hadas as ns high as ns 45 to 50 grubs per animal In head hend of sprayed j 1 t cattle we found only 29 grubs or 1 grub per animal In other words one unsprayed animal had as ns many grubs as ns 85 of the sprayed animals This demonstration which is the largest known field result demonstration conducted in the nation using the new 1 1 f Here Heie are a couple of the grubs which were taken from the back backof of a cow in the grub control pro pro- gram Accompanying article tells the variation among sprayed and andun un unsprayed sprayed cows Fw Z 11 r l 1 i t 4 t r 1 f 1 r I Ix f x i County Count Agent Dennis Funk reaches into a chute to check the back of a cow for grubs as the third stage of the b grub control program is carried out This Tins picture was taken at the Lawrence Nielson farm near Ephraim was begun last fall A sample of the cattle in the Mayfield Mayfield- Gunnison Sterling Manti-Sterling n a and n d Manti l Cattle Associations were weighed as they came from the summer range A sample of cattle that remain in the valley all nIl year were also weighed 0 o In October approximately head hend of cattle in the Manti- Manti Sterling area aren were sprayed The cattle in the Mayfield-Gunnison Mayfield area were not sprayed and are being used as a n check group The systemic CoRal Co- Co Hal Ral was used in this tion hon It is sprayed on all the cattle in iu the fall with a n power sprayer The material is absorbed through the skin into the blood stream and kills the time heel fly and bomb fly larvae as they migrate thru the tissues before they e ever eve v e r reach the backs of the cattle It It- It was also observed that there was practically percent control control control con con- of lice where the systemic was used So far this demonstration has hns shown that are effective effective effective effect effect- ive in greatly reducing the number number num num- ber of f grubs and ridding cattle of lice The cattlemen have also proven that they can work together coop cooperatively to make cattle grub control effective on onan onan onan an area basis By working to together together together to- to gether on an nn area basis it would be possible in a n couple of years to practically eradicate the heel fly fy and completely lick the problem problem problem pro pro- pro pro- blem of cattle running or gadding gadding gadding gad gad- ding during the summer as they are bothered by the heel or bomb flies states Mr l Funk Cooperating in this project are the three cattle associations mentioned previously Livestock Conservation Inc Chicago Utah State Slate University Extension Service Service Service Ser Ser- vice Utah State Dept of Agriculture Agriculture Agri Agri- culture and the Corporation Corporation Cor Cor- Kansas City Mo l who furnished the material and as assisted assisted assisted as- as with the time spraying ng o ol the cattle J Y t 1 |