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 5.23
Milk (kg) -67.00 -0.014 0.94
Fat (kg) -7.28 -0.375 2.73
Prot (kg) -3.55 -0.441 1.57
Fertility Sub Index 0.45
Calving Interval (days) -0.25 -1.459 0.36
Survival (%) 0.08 1.117 0.09
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.27
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 2.45 -0.432 -1.06
Maintenance Sub Index Maint. Sub Index 2.18
Live WT (kg) -7.10 -0.307 2.18
Total Carbon Sub Index 7.13

* Based on an €80/tonne carbon price