Dairy Data Tools
Copyright 2026 Pádraig Lucey (Dairy Data Science, https://dairydatascience.com)

The code (Python scripts, tools and tests) is licensed under the Apache License, Version 2.0 (LICENSE).
The skills' text (every SKILL.md) is licensed under Creative Commons Attribution 4.0 International (LICENSE-skills.md).
The sample herd is made up, by the author's own herd simulator; no real farm's records are in this repository.

Figures and their sources:
- Energy-corrected milk: 0.327 x milk + 12.95 x fat + 7.65 x protein, in lb (Tyrrell and Reid, 1965; Orth, 1992).
- Predicted dry matter intake: National Academies of Sciences, Engineering, and Medicine (2021), Nutrient
  Requirements of Dairy Cattle, 8th revised edition, equation 2-1.
- 21-day pregnancy rate: counted the way DairyComp 305's BREDSUM report counts it.

DairyComp 305 and EZfeed are products of Valley Ag Software. This project is not affiliated with or endorsed
by Valley Ag Software. It reads only export files that the programs write for their users.
