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 -4.23
Milk (kg) 157.00 -0.014 -2.20
Fat (kg) 2.87 -0.375 -1.07
Prot (kg) 2.17 -0.441 -0.96
Fertility Sub Index -3.66
Calving Interval (days) 1.87 -1.459 -2.73
Survival (%) -0.83 1.117 -0.93
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.01
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.82 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 1.78
Live WT (kg) -5.80 -0.307 1.78
Total Carbon Sub Index -6.65

* Based on an €80/tonne carbon price