I document parents (and grandparents if known), type, gendre, date their egg was laid, incubation method and temps (if I hatched it), date it hatched, what they are eating daily, size and weight yearly, dates of fecal tests and results, dates of other medical tests, any dates medicines provided and type, any signficiant/remarkable changes to general attitude or behavoiur, when/if cage is changed (move to different cage, change in cage colour, change in cage decoration/plants), type/brand of UVB bulbs used and dates tubes changed, light timer on/off settings, and make note of any remarkable changes in poop, and finally mating dates and whether or not there are viable eggs resulting.