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 11.30
Milk (kg) -186.00 -0.014 2.60
Fat (kg) -10.27 -0.375 3.85
Prot (kg) -10.98 -0.441 4.85
Fertility Sub Index -0.50
Calving Interval (days) -1.77 -1.459 2.58
Survival (%) -2.76 1.117 -3.08
Calving Sub Index -3.55
Gestation Length (days) 3.86 -0.919 -3.55
Beef Sub Index 2.41
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) -3.50 -0.432 1.51
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 11.72

* Based on an €80/tonne carbon price