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 3.64
Milk (kg) 8.00 -0.014 -0.11
Fat (kg) -4.35 -0.375 1.63
Prot (kg) -4.81 -0.441 2.12
Fertility Sub Index -5.78
Calving Interval (days) 1.94 -1.459 -2.83
Survival (%) -2.64 1.117 -2.95
Calving Sub Index -2.10
Gestation Length (days) 2.29 -0.919 -2.10
Beef Sub Index -3.15
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) 6.94 -0.432 -3.00
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index -5.43

* Based on an €80/tonne carbon price