Kansas State University has updated its swine premix and base-mix recommendations. The package includes several new changes, the biggest of which is the increase in phytase levels as a way to decrease the need to supplement phosphorus in diets.

The exact changes to each of the recommendations include:

* Vitamin with Phytase
- Lowered vitamin D level
- Increased phytase level by 50 percent
- Added phytase source options and that phytase source should be indicated

* Sow-Add Pack
- Added vitamin E

* TM premix
- No changes

- Added low inclusion rate (higher concentration) vitamin and trace-mineral premix option

* Grow/Finish Base mix
- Increased lysine level
- Lowered vitamin D level
- Changed potassum source to only MNB
- Increased phytase level
- Changed phosphorus level for increased phytase level
- Added phytase source options and that phytase source should be indicated

* Nursery Base mix

- Lowered vitamin D level
- Changed potassium source to only MNB
- Increased phytase level
- Changed phosphorus level for increased phytase level
- Added phytase source options and that phytase source should be indicated

*Sow Base mix

- Increased inclusion rate and decreased vitamin and trace-mineral levels to reflect
- Lowered vitamin D level
- Changed potassium source to only MNB
- Increased phytase level
- Changed phosphorus level for increased phytase level
- Added phytase source options and that phytase source should be indicated
- Added calcium

Source: Kansas State University