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 4.21
Milk (kg) -12.00 -0.014 0.17
Fat (kg) -4.61 -0.375 1.73
Prot (kg) -5.24 -0.441 2.31
Fertility Sub Index -6.67
Calving Interval (days) 3.28 -1.459 -4.79
Survival (%) -1.69 1.117 -1.89
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -0.55
Carcass Weight (kg) -0.30 -0.528 0.16
Age of Slaughter (days) 1.63 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 0.58
Live WT (kg) -1.90 -0.307 0.58
Total Carbon Sub Index -2.98

* Based on an €80/tonne carbon price