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 11.49
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -14.07 -0.375 5.27
Prot (kg) -9.66 -0.441 4.26
Fertility Sub Index 0.58
Calving Interval (days) 0.52 -1.459 -0.76
Survival (%) 1.20 1.117 1.34
Calving Sub Index -1.94
Gestation Length (days) 2.11 -0.919 -1.94
Beef Sub Index -0.88
Carcass Weight (kg) 4.10 -0.528 -2.16
Age of Slaughter (days) -2.98 -0.432 1.29
Maintenance Sub Index Maint. Sub Index 0.92
Live WT (kg) -3.00 -0.307 0.92
Total Carbon Sub Index 10.18

* Based on an €80/tonne carbon price