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 5.63
Milk (kg) -128.00 -0.014 1.79
Fat (kg) -2.06 -0.375 0.77
Prot (kg) -6.95 -0.441 3.07
Fertility Sub Index 3.29
Calving Interval (days) -2.37 -1.459 3.46
Survival (%) -0.15 1.117 -0.17
Calving Sub Index 1.93
Gestation Length (days) -2.10 -0.919 1.93
Beef Sub Index 0.35
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.60 -0.432 -1.12
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index 12.71

* Based on an €80/tonne carbon price