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 15.29
Milk (kg) -257.00 -0.014 3.60
Fat (kg) -17.17 -0.375 6.43
Prot (kg) -11.91 -0.441 5.26
Fertility Sub Index 10.40
Calving Interval (days) -6.77 -1.459 9.88
Survival (%) 0.47 1.117 0.53
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.12
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 0.34 -0.432 -0.15
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 28.40

* Based on an €80/tonne carbon price