GFM Network News


U.S. cattle deaths linked to Zilmax far exceed maker’s reports, study finds

Reuters — The number of U.S. cattle deaths that may be linked to the Merck and Co. feed additive Zilmax are much higher than the figures reported by the drug company to the federal government, according to a research study published Wednesday. The findings by researchers from Texas Tech University and Kansas State University show […] Read more




U.S. universities monitor pig virus during gov’t shutdown

As the federal government shutdown stretches into its second week, veterinary labs at U.S. universities are stepping into a data gap to collect information and publish updates about an outbreak of a swine virus deadly to young pigs, according to the American Association of Swine Veterinarians. The University of Minnesota’s diagnostic lab staff last week […] Read more


U.S. hog report does little to calm PEDv fears

U.S. data showing a surprisingly large late-summer hog herd has done little to quell fears in rural America that a virus deadly to baby piglets could spread. The U.S. livestock industry was anxiously awaiting Friday’s release of the Agriculture Department’s quarterly hogs and pigs report on the nation’s swine inventory over the past three months, […] Read more




Merck rolls out new training program for Zilmax customers

As questions about the health effects of Merck’s Zilmax feed additive intensified in North America’s beef industry, the pharmaceuticals giant on Tuesday unveiled a program to retrain and certify beef producers in administering the weight-adding drug to cattle. The news comes a week after Tyson Foods declared it would stop accepting beef from Zilmax-fed cattle […] Read more


Merck to study cattle industry use of Zilmax

In the wake of mounting questions over its popular growth feed additive for cattle, Merck’s animal health unit said it is launching a five-step plan to reach out to cattle packers and suppliers in the next 30 days to address questions concerns over Zilmax. Among other steps, the New Jersey-based Merck Animal Health said it […] Read more

U.S. slaughterhouse workers, truckers fuel deadly piglet virus spread

Questionable hygiene practices among meat processing plant employees, freight truck drivers and others who work at hog slaughter houses are aiding in the spread of porcine epidemic diarrhea virus across the United States, according to research conducted by the University of Illinois staff. PEDv is spread most commonly by pigs ingesting contaminated feces. The virus, […] Read more