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 31.13
Milk (kg) -536.00 -0.014 7.50
Fat (kg) -33.03 -0.375 12.37
Prot (kg) -25.50 -0.441 11.25
Fertility Sub Index 3.21
Calving Interval (days) -2.16 -1.459 3.15
Survival (%) 0.05 1.117 0.06
Calving Sub Index 0.46
Gestation Length (days) -0.50 -0.919 0.46
Beef Sub Index 0.10
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.47 -0.432 -0.63
Maintenance Sub Index Maint. Sub Index 3.77
Live WT (kg) -12.30 -0.307 3.77
Total Carbon Sub Index 38.67

* Based on an €80/tonne carbon price