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 25.94
Milk (kg) -638.00 -0.014 8.93
Fat (kg) -22.76 -0.375 8.52
Prot (kg) -19.21 -0.441 8.48
Fertility Sub Index 4.14
Calving Interval (days) -2.59 -1.459 3.78
Survival (%) 0.32 1.117 0.36
Calving Sub Index -1.57
Gestation Length (days) 1.71 -0.919 -1.57
Beef Sub Index -1.52
Carcass Weight (kg) 1.90 -0.528 -1.00
Age of Slaughter (days) 1.21 -0.432 -0.52
Maintenance Sub Index Maint. Sub Index 2.36
Live WT (kg) -7.70 -0.307 2.36
Total Carbon Sub Index 29.34

* Based on an €80/tonne carbon price