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 4.60
Milk (kg) -5.00 -0.014 0.07
Fat (kg) -3.51 -0.375 1.31
Prot (kg) -7.28 -0.441 3.21
Fertility Sub Index -17.50
Calving Interval (days) 9.19 -1.459 -13.41
Survival (%) -3.66 1.117 -4.09
Calving Sub Index 1.15
Gestation Length (days) -1.25 -0.919 1.15
Beef Sub Index 1.10
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 1.74 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index -2.45
Live WT (kg) 8.00 -0.307 -2.45
Total Carbon Sub Index -13.10

* Based on an €80/tonne carbon price