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 8.65
Milk (kg) -155.00 -0.014 2.17
Fat (kg) -8.90 -0.375 3.33
Prot (kg) -7.13 -0.441 3.15
Fertility Sub Index 1.63
Calving Interval (days) -0.72 -1.459 1.05
Survival (%) 0.52 1.117 0.58
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 1.37
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) -0.23 -0.432 0.10
Maintenance Sub Index Maint. Sub Index 6.13
Live WT (kg) -20.00 -0.307 6.13
Total Carbon Sub Index 20.63

* Based on an €80/tonne carbon price