N.D. ranchers file suit against Colo. feed company Two North Dakota ranchers say a Colorado company sold and mixed a liquid feed supplement that poisoned their cattle and led to the deaths of two cows and two calves. Lonnie and Todd McPeak, of Sterling, N.D., have filed a civil lawsuit in federal court against Cattleman's Choice Loomix, accusing the business of negligence. The Johnstown company denies the allegations and says the suit should be thrown out. The McPeaks said one of the dealers for the company improperly mixed the feed and caused the release of dangerously high levels of sulfur and nitrogen. Cattleman's Choice said any damage to the cattle was caused by "misuse or abuse" of the product by the ranchers and was not the company's fault. The lawsuit said the reaction to the mixture stunted the growth of about 350 calves, causing an auction house to advise people against buying the cattle.