Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 18.15
Milk (kg) -394.00 -0.014 5.52
Fat (kg) -17.16 -0.375 6.43
Prot (kg) -14.06 -0.441 6.21
Fertility Sub Index 8.88
Calving Interval (days) -6.00 -1.459 8.75
Survival (%) 0.11 1.117 0.12
Calving Sub Index 0.68
Gestation Length (days) -0.74 -0.919 0.68
Beef Sub Index 0.12
Carcass Weight (kg) -0.40 -0.528 0.21
Age of Slaughter (days) 0.20 -0.432 -0.09
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index 29.98

* Based on an €80/tonne carbon price