Company uses technology to tap gene potential

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Published: March 2, 2012

Feeding animals based on knowledge of their genes sounds like something from science fiction.

Yet it’s already happened, thanks to technology developed by Alltech, a Kentucky-based agricultural company that has developed gene chips, which map the genes of the animals and allow the company to study the “nutrigenomics” of livestock.

“When we feed an animal, we look at the impact of feeding on the genetics,” said Jim Bannerman, the company’s Winnipeg-based director of national accounts.

“We look at if the genes are turned on or off, and we do that on everything we do now.”

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A huge portion of the improvement in animal performance in the last few years has come from genetics, he said, but nutrition and genetics have not generally been considered together. Two major goals of the science are to improve growth rates and feed efficiency.

The process doesn’t manipulate genes, but seeks to maximize the expression of genes already present in the animal. Geneticists started their research process by studying the effect of different feed regimes on baby chicks, as the most pronounced effects are seen in very young animals.

“Some of those genes can be turned on permanently by nutrition and some of them can be turned off permanently,” Bannerman said. “Sometimes there’s a very small window, a matter of hours after birth when we can do this. The more we learn, the more we understand how precise this science has become.”

Most people who raise broilers or layers have a three-phase program. The Alltech program introduces a fourth phase, the conditioning phase.

“There’s another phase in there, where we’re feeding a specific diet to affect those genes,” Bannerman said.

“The conditioning phase is very short and we manufacture the feed for this phase.”

He said the feeding program can result in improved meat quality and does not involve any additional costs.

About the author

Alexis Kienlen

Alexis Kienlen

Reporter

Alexis Kienlen is a reporter with Glacier Farm Media. She grew up in Saskatoon but now lives in Edmonton. She holds an Honours degree in International Studies from the University of Saskatchewan, a Graduate Diploma in Journalism from Concordia University, and a Food Security certificate from Toronto Metropolitan University. In addition to being a journalist, Alexis is also a poet, essayist and fiction writer. She is the author of four books- the most recent being a novel about the BSE crisis called “Mad Cow.”

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