I just can't seem to find an app or excel sheet to suit my needs so I make my own. It's a word doc with pictures, pedigree, production records, and maintenance history. I will create my own notebook by printing each animals record on a front/back page of a ZipBind presentation kit. I carry it all around the farm in a plastic clip board case with a storage compartment. I'm a visual learner so pictures help me identify who is who or from whom. It's so handy during kidding season! All information is there and we can quickly write in notes and kid info. It's a lot of work initially but well worth it! I've kept our records like this for many years. I just update or add pages as needed.
I have had so much interest from other producers wanting me to send them a copy of the word document that I have made a downloadable file accessible to anyone to use! Enjoy!