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 19.72
Milk (kg) -401.00 -0.014 5.61
Fat (kg) -19.88 -0.375 7.45
Prot (kg) -15.10 -0.441 6.66
Fertility Sub Index 8.58
Calving Interval (days) -5.53 -1.459 8.07
Survival (%) 0.46 1.117 0.51
Calving Sub Index 0.14
Gestation Length (days) -0.15 -0.919 0.14
Beef Sub Index 1.10
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 0.99 -0.432 -0.43
Maintenance Sub Index Maint. Sub Index 4.66
Live WT (kg) -15.20 -0.307 4.66
Total Carbon Sub Index 34.20

* Based on an €80/tonne carbon price