Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 8.09
Milk (kg) -259.00 -0.014 3.63
Fat (kg) -8.38 -0.375 3.14
Prot (kg) -3.00 -0.441 1.32
Fertility Sub Index 5.02
Calving Interval (days) -2.30 -1.459 3.36
Survival (%) 1.49 1.117 1.66
Calving Sub Index -1.42
Gestation Length (days) 1.55 -0.919 -1.42
Beef Sub Index -2.59
Carcass Weight (kg) 0.90 -0.528 -0.47
Age of Slaughter (days) 4.91 -0.432 -2.12
Maintenance Sub Index Maint. Sub Index 4.35
Live WT (kg) -14.20 -0.307 4.35
Total Carbon Sub Index 13.44

* Based on an €80/tonne carbon price