An animal wellness notification system includes an attachment body configured to securely engage with an ear of the animal; an elongated temperature probe secured to the attachment body and configured to extend within the ear of the animal; a housing secured to the attachment body; a power module electrically connect to and configured to provide power to (or recharge) at least one other element of the animal wellness notification system; a computer disposed within the housing and operably associated with the temperature probe; and a notification device in data communication with the computer, the notification device being configured to provide notice if a temperature of the animal goes beyond a determined threshold.