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 4.07
Milk (kg) -126.00 -0.014 1.76
Fat (kg) -2.06 -0.375 0.77
Prot (kg) -3.48 -0.441 1.54
Fertility Sub Index -9.41
Calving Interval (days) 4.58 -1.459 -6.68
Survival (%) -2.44 1.117 -2.73
Calving Sub Index 0.93
Gestation Length (days) -1.01 -0.919 0.93
Beef Sub Index 0.92
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.05 -0.432 -0.45
Maintenance Sub Index Maint. Sub Index 0.74
Live WT (kg) -2.40 -0.307 0.74
Total Carbon Sub Index -2.76

* Based on an €80/tonne carbon price