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 -3.89
Milk (kg) 9.00 -0.014 -0.13
Fat (kg) 4.22 -0.375 -1.58
Prot (kg) 4.94 -0.441 -2.18
Fertility Sub Index 6.04
Calving Interval (days) -2.81 -1.459 4.10
Survival (%) 1.74 1.117 1.94
Calving Sub Index -1.32
Gestation Length (days) 1.44 -0.919 -1.32
Beef Sub Index -6.29
Carcass Weight (kg) 12.70 -0.528 -6.70
Age of Slaughter (days) -0.95 -0.432 0.41
Maintenance Sub Index Maint. Sub Index -5.21
Live WT (kg) 17.00 -0.307 -5.21
Total Carbon Sub Index -10.67

* Based on an €80/tonne carbon price