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 3.04
Milk (kg) -76.00 -0.014 1.06
Fat (kg) -2.57 -0.375 0.96
Prot (kg) -2.29 -0.441 1.01
Fertility Sub Index 6.55
Calving Interval (days) -3.92 -1.459 5.72
Survival (%) 0.74 1.117 0.83
Calving Sub Index 0.53
Gestation Length (days) -0.58 -0.919 0.53
Beef Sub Index 0.27
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.33 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 2.79
Live WT (kg) -9.10 -0.307 2.79
Total Carbon Sub Index 13.18

* Based on an €80/tonne carbon price