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 19.50
Milk (kg) -356.00 -0.014 4.98
Fat (kg) -21.09 -0.375 7.90
Prot (kg) -14.98 -0.441 6.61
Fertility Sub Index 4.00
Calving Interval (days) -3.07 -1.459 4.48
Survival (%) -0.43 1.117 -0.48
Calving Sub Index 2.04
Gestation Length (days) -2.22 -0.919 2.04
Beef Sub Index 0.28
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 0.69 -0.432 -0.30
Maintenance Sub Index Maint. Sub Index 2.70
Live WT (kg) -8.80 -0.307 2.70
Total Carbon Sub Index 28.51

* Based on an €80/tonne carbon price