Linking:
Search or scan the animal and click the chevron to open up the Animal Summary.
Once in the Animal Summary, click on the circle action button and tap on 'Animal Details'.
Scroll down to the 'Breeding' section.
You can click on the empty field and type in an animals name or number, OR you can click on the '+' button on the right hand side to link an existing animal on the system.
If you use the '+' to link an animal, it will change to an 'i' and you can tap on this to open the Animal Summary of the linked animal.