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 18.18
Milk (kg) -502.00 -0.014 7.03
Fat (kg) -12.50 -0.375 4.68
Prot (kg) -14.67 -0.441 6.47
Fertility Sub Index -1.14
Calving Interval (days) -1.47 -1.459 2.14
Survival (%) -2.94 1.117 -3.28
Calving Sub Index -3.66
Gestation Length (days) 3.98 -0.919 -3.66
Beef Sub Index 2.31
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) -3.88 -0.432 1.67
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 17.69

* Based on an €80/tonne carbon price