Here is a nifty little gadget that you can use to read animal tags. The Tera Portable Pet Microchip Scanner comes with Bluetooth/2.4G wireless and USB connectivity. It has an OLED display to show all the relevant info. It lets you save up to 128 tags.
This pocket animal tag scanner can be used for animal farm management. It can handle ISO11784 /85 / FDX-B (15 digit microchips) and EMID microchips.