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 2.30
Milk (kg) -6.00 -0.014 0.08
Fat (kg) -9.38 -0.375 3.51
Prot (kg) 2.95 -0.441 -1.30
Fertility Sub Index -2.43
Calving Interval (days) 1.17 -1.459 -1.71
Survival (%) -0.65 1.117 -0.73
Calving Sub Index 1.43
Gestation Length (days) -1.56 -0.919 1.43
Beef Sub Index -6.22
Carcass Weight (kg) 8.70 -0.528 -4.59
Age of Slaughter (days) 3.78 -0.432 -1.63
Maintenance Sub Index Maint. Sub Index -6.84
Live WT (kg) 22.30 -0.307 -6.84
Total Carbon Sub Index -11.76

* Based on an €80/tonne carbon price