GFM Network News


Ionophores are used most extensively in feedlot cattle diets, but are generally considered a good investment regardless of the diet fed.

The complicated life of an ionophore

Ron Clarke outlines the basics of how these widely used feed additives work

Ionophores are a class of compounds frequently talked about in animal nutrition, yet infrequently understood by many. First marketed in the 1960s and derived from soil-borne organisms, ionophores are best described as feed additives that reversibly bind ions — chemical entities possessing an electric charge — then subsequently facilitate their transport across membranes. Commonly used […] Read more

The right mineral supplementation program can improve colostrum and calf immunity, according to a study on the University of Florida’s cow herds.

Research suggests trace mineral source matters

New research shows that organic trace mineral supplementation has benefits over its inorganic counterparts

When it comes to mineral supplementation for beef females, new research suggests that the source matters. Studies from the University of Florida show that organic trace mineral supplementation for cows has benefits compared to inorganic trace minerals in areas such as increased pregnancy rates, weaning weight and calf immunity. Dr. Matt Hersom is an associate […] Read more


Feeder placement has been slower though the fall run of 2019 than in recent years.

Domestic, export demand supporting fed cattle prices

The Markets with Deb McMillin, from the November 2019 issue of Canadian Cattlemen

Fed cattle The western Canadian cash bids have seen week-over-week increases since mid-September. At mid-October, fed prices were nearing $144/cwt. This is $7.57/cwt higher than the low set in August but still $6.38/cwt below the average price the same week last year. Although carcass weights are 10 lbs. heavier than a year ago — at […] Read more






U.S. livestock: Live cattle futures firm on strong cash market, rising beef prices

Chicago | Reuters – U.S. live cattle futures firmed on Friday, supported by strong cash feedlot cattle and beef prices and robust packer profit margins. The market posted a modest decline for the week after eight straight weeks of gains, but prices remain near six-month peaks reached after the two-month rally took futures up by […] Read more

Bart Lardner, Janelle Smith and John McKinnon are conducting the backgrounding study.

The economics of raising ‘natural’ beef

Researchers are comparing conventional and other backgrounding systems and crunching the numbers

How much of a premium do producers need to cover the extra cost of backgrounding cattle without growth-enhancing technologies and can they offset some of that cost or improve carcass quality with other strategies? Researchers are currently studying those very questions in a 2.5-year backgrounding study. The backgrounding project is one of many feeding research […] Read more


U.S. livestock: Hog futures rise on hopes for Chinese pork import tariff rollback

Chicago | Reuters – U.S. lean hog futures closed mostly higher on Thursday on renewed hopes for accelerated U.S. pork sales to China after officials from both countries said an interim trade deal could include a phased rollback of tariffs. The hog market has been highly sensitive to any signs of easing trade tensions between […] Read more