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 4.64
Milk (kg) -97.00 -0.014 1.36
Fat (kg) -5.94 -0.375 2.22
Prot (kg) -2.40 -0.441 1.06
Fertility Sub Index 0.02
Calving Interval (days) 0.21 -1.459 -0.31
Survival (%) 0.29 1.117 0.32
Calving Sub Index -1.53
Gestation Length (days) 1.66 -0.919 -1.53
Beef Sub Index -2.49
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 7.61 -0.432 -3.29
Maintenance Sub Index Maint. Sub Index 6.07
Live WT (kg) -19.80 -0.307 6.07
Total Carbon Sub Index 6.71

* Based on an €80/tonne carbon price