I don’t have the reference clearly stated the dose in previous reply. The practice is either omitting or adjusting the dose and frequency providing of trace elements are variables among health care providers.
This is one option or you may provide 1/4th of the target dose and adjust the frequency if conjugated bilirubin become more worse..
There are many reports published pointed that bone disease and anemia have been reported in infant receiving a copper-free PN formulation in long term.