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 5.77
Milk (kg) -118.00 -0.014 1.65
Fat (kg) -1.03 -0.375 0.39
Prot (kg) -8.46 -0.441 3.73
Fertility Sub Index -13.98
Calving Interval (days) 6.73 -1.459 -9.82
Survival (%) -3.72 1.117 -4.16
Calving Sub Index 1.65
Gestation Length (days) -1.80 -0.919 1.65
Beef Sub Index 1.04
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 1.75 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index -1.50
Live WT (kg) 4.90 -0.307 -1.50
Total Carbon Sub Index -7.02

* Based on an €80/tonne carbon price