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Hog Feed Additive Approved For Variable Dose

Elanco Canada has gained approval for what it describes as a more flexible range of doses for its swine feed additive Paylean.

Paylean was already approved for doses of five parts per million (ppm) to improve hogs’ weight gain and feed efficiency, and 10 ppm for increased carcass leanness and dressing per cent. The new approval allows Paylean to be given to hogs at rates between five and 10 ppm.

“The increased flexibility provided by the new dose range will bring additional benefits to Canadian pork producers who use Paylean,” swine-marketing associate Peter Mumford of Elanco Canada said in the company’s release Oct. 28.

Mumford cited product data to state that increasing Paylean doses to 7.5 ppm from five gives hogs an additional four per cent improvement in feed efficiency, another four per cent increase in average daily gain and another one-kilogram increase in total weight gain over the course of the feeding period.

The active ingredient in Paylean is ractopamine hydrochloride, which according to the company works to “increase the natural process of protein synthesis, at the expense of fat synthesis, resulting in increased muscle fibre size.”

The resulting effects on carcass composition are directly related to the increase in muscle metabolism and, because lean tissue is more efficient to produce than fat, pigs fed Paylean convert feed to weight more effectively, Elanco said.

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