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 4.18
Milk (kg) -39.00 -0.014 0.55
Fat (kg) -4.45 -0.375 1.67
Prot (kg) -4.45 -0.441 1.96
Fertility Sub Index 3.14
Calving Interval (days) -1.77 -1.459 2.58
Survival (%) 0.50 1.117 0.56
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 0.22
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.57 -0.432 -0.68
Maintenance Sub Index Maint. Sub Index 5.21
Live WT (kg) -17.00 -0.307 5.21
Total Carbon Sub Index 15.59

* Based on an €80/tonne carbon price