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 18.16
Milk (kg) -308.00 -0.014 4.31
Fat (kg) -18.19 -0.375 6.81
Prot (kg) -15.94 -0.441 7.04
Fertility Sub Index -1.00
Calving Interval (days) 0.09 -1.459 -0.13
Survival (%) -0.78 1.117 -0.87
Calving Sub Index 0.84
Gestation Length (days) -0.91 -0.919 0.84
Beef Sub Index 3.50
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) -3.59 -0.432 1.55
Maintenance Sub Index Maint. Sub Index 1.38
Live WT (kg) -4.50 -0.307 1.38
Total Carbon Sub Index 22.87

* Based on an €80/tonne carbon price