Mouse Pups (image) Penn State Share Print E-Mail Caption Mouse pups rely on the milk from their mother for important nutrients, including zinc, fat and lactose. If their mother lacks the zinc transporter ZnT2, then the mouse pups will experience zinc deficiency. Credit Patrick Mansell, Penn State Usage Restrictions non commercial use only Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.