Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 12.72
Milk (kg) -184.00 -0.014 2.58
Fat (kg) -14.50 -0.375 5.43
Prot (kg) -10.68 -0.441 4.71
Fertility Sub Index 3.31
Calving Interval (days) -2.71 -1.459 3.95
Survival (%) -0.58 1.117 -0.65
Calving Sub Index -2.29
Gestation Length (days) 2.49 -0.919 -2.29
Beef Sub Index 3.24
Carcass Weight (kg) -6.80 -0.528 3.59
Age of Slaughter (days) 0.81 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 3.95
Live WT (kg) -12.90 -0.307 3.95
Total Carbon Sub Index 20.93

* Based on an €80/tonne carbon price