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 6.38
Milk (kg) -36.00 -0.014 0.50
Fat (kg) -7.17 -0.375 2.69
Prot (kg) -7.23 -0.441 3.19
Fertility Sub Index -0.06
Calving Interval (days) 0.54 -1.459 -0.79
Survival (%) 0.65 1.117 0.73
Calving Sub Index 0.31
Gestation Length (days) -0.34 -0.919 0.31
Beef Sub Index 1.21
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 1.22 -0.432 -0.53
Maintenance Sub Index Maint. Sub Index 0.86
Live WT (kg) -2.80 -0.307 0.86
Total Carbon Sub Index 8.71

* Based on an €80/tonne carbon price