The European Union has granted Rovabio Excel, the Non-Starch Polysaccharide enzyme of Adisseo, the authorization for use in sows, from one week before farrowing to weaning.
Employing Rovabio Excel in lactating sows’ diets leads to a decreased loss of body weight, backfat and better feed intake during lactation, according to the company. With an estimated return on investment between 20:1 and 40:1, depending on swine prices, Rovabio Excel is a valuable new tool to benefit the swine industry, constantly operating with tight profit margins.
A meta-analysis was conducted, involving 6 trials, 640 sows run at various university locations all over the world. This meta-analysis demonstrated an average reduction of 3 kg (more than 20 percent) of body weight loss of sows receiving a standard diet including Rovabio Excel across a wide range of environmental and housing conditions, diet formulations and breeds. Similar results were obtained in high NSP diets (wheat, barley) and low NSP diets (corn).
Body loss of sows during lactation is a key indicator used to anticipate the impact on subsequent sow prolificity, longevity and length of weaning to estrus interval.
A trial performed at the Prairie Swine Centre (Canada) with lactating sows confirmed the interest of using an NSP enzyme in the lactating sow’s diet. There was a reduction in weight loss during lactation (-1.7 kg) and backfat loss after weaning (-0.5 mm).
The positive effect was more important on first parity, which would be expected to have a positive impact on future reproductive performance of sows and productive longevity in the herd.
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