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 13.50
Milk (kg) -272.00 -0.014 3.81
Fat (kg) -9.25 -0.375 3.46
Prot (kg) -14.11 -0.441 6.23
Fertility Sub Index 0.62
Calving Interval (days) -0.11 -1.459 0.16
Survival (%) 0.41 1.117 0.46
Calving Sub Index -0.43
Gestation Length (days) 0.47 -0.919 -0.43
Beef Sub Index -1.89
Carcass Weight (kg) 1.40 -0.528 -0.74
Age of Slaughter (days) 2.66 -0.432 -1.15
Maintenance Sub Index Maint. Sub Index -1.35
Live WT (kg) 4.40 -0.307 -1.35
Total Carbon Sub Index 10.45

* Based on an €80/tonne carbon price