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 16.36
Milk (kg) -273.00 -0.014 3.82
Fat (kg) -15.97 -0.375 5.98
Prot (kg) -14.86 -0.441 6.56
Fertility Sub Index -2.58
Calving Interval (days) 1.23 -1.459 -1.79
Survival (%) -0.70 1.117 -0.78
Calving Sub Index -1.08
Gestation Length (days) 1.17 -0.919 -1.08
Beef Sub Index -2.25
Carcass Weight (kg) 2.60 -0.528 -1.37
Age of Slaughter (days) 2.03 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index 1.07
Live WT (kg) -3.50 -0.307 1.07
Total Carbon Sub Index 11.53

* Based on an €80/tonne carbon price