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 8.37
Milk (kg) -160.00 -0.014 2.24
Fat (kg) -3.69 -0.375 1.38
Prot (kg) -10.76 -0.441 4.75
Fertility Sub Index -4.45
Calving Interval (days) 2.16 -1.459 -3.15
Survival (%) -1.16 1.117 -1.30
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -0.06
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.98 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 1.41
Live WT (kg) -4.60 -0.307 1.41
Total Carbon Sub Index 4.72

* Based on an €80/tonne carbon price