You can see the sow card by searching for the sow in the top and then swipe to the right. 
After swiping, you can see a pig head like shown in the picture below.



Press on the pig head and a new screen will be shown with the sow card. If you want more information, you can press the "Litter" in the bottom. 


Afterwards, you can tilt your phone/tablet to the side and you will be able to see the sow card, like this: