Abstract
A total of 315 nursery pigs (initially 33.5 lb) were used in a 21-d growth assay to compare relative energy values of ‘Nutridense’ and ‘Nutridense Low Phytate’ corn compared to Yellow Dent corn. Dietary treatments consisted of a 3 × 3 factorial with three sources of corn with 0, 3, or 6% added fat. Increasing the energy density of the diet with added fat or higher energy corn varieties (Nutridense or Nutridense-LP corn) linearly improved feed efficiency. The linear improvement in feed efficiency allowed us to calculate the energy content of the Nutridense corn varieties relative to Yellow Dent corn. We determined that the ME values published by the University of Illinois indicating that Nutridense and Nutridense Low Phytate corn contain approximately 6.5 and 4% more energy, respectively, than normal Yellow Dent corn are appropriate for diet formulation.
Highlights
ProceduresNutridense corn is a nutritionally enhanced product containing traits to provide greater nutrient density than conventional yellow Dent corn
We determined that the ME values published by the University of Illinois indicating that Nutridense and Nutridense Low Phytate corn contain approximately 6.5 and 4% more energy, respectively, than normal Yellow Dent corn are appropriate for diet formulation.; Swine Day, Manhattan, KS, November 15, 2001
Dietary treatments consisted of a 3 × 3 factorial with three sources of corn with 0, 3, or 6% added fat
Summary
Nutridense corn is a nutritionally enhanced product containing traits to provide greater nutrient density than conventional yellow Dent corn. It contains approximately 30% more lysine, 50% more sulfur amino acids, 18% more threonine, almost 100% more tryptophan and 6% more energy than normal corn. Exseed Genetics, LLC produces a low phytate Nutridense. A total of 315 pigs (33.5 lb) were used in a 21-day growth assay. Pigs were blocked by weight and allotted to one of nine treatments. There were five pigs per pen and seven pens per treatment. Each pen was 4 × 4 ft and contained one self-feeder and one nipple waterer to provide ad libitum access to feed and water
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