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 6.04
Milk (kg) -41.00 -0.014 0.57
Fat (kg) -5.00 -0.375 1.87
Prot (kg) -8.13 -0.441 3.59
Fertility Sub Index 0.05
Calving Interval (days) 0.06 -1.459 -0.09
Survival (%) 0.12 1.117 0.13
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.00
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 1.47 -0.432 -0.63
Maintenance Sub Index Maint. Sub Index 5.21
Live WT (kg) -17.00 -0.307 5.21
Total Carbon Sub Index 15.98

* Based on an €80/tonne carbon price