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 6.07
Milk (kg) -91.00 -0.014 1.27
Fat (kg) -6.69 -0.375 2.51
Prot (kg) -5.19 -0.441 2.29
Fertility Sub Index 1.08
Calving Interval (days) -0.29 -1.459 0.42
Survival (%) 0.59 1.117 0.66
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 1.13
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 0.20 -0.432 -0.09
Maintenance Sub Index Maint. Sub Index 5.43
Live WT (kg) -17.70 -0.307 5.43
Total Carbon Sub Index 16.54

* Based on an €80/tonne carbon price