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 5.73
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -4.21 -0.375 1.58
Prot (kg) -4.97 -0.441 2.19
Fertility Sub Index 0.83
Calving Interval (days) -1.03 -1.459 1.50
Survival (%) -0.60 1.117 -0.67
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index -0.32
Carcass Weight (kg) -0.10 -0.528 0.05
Age of Slaughter (days) 0.86 -0.432 -0.37
Maintenance Sub Index Maint. Sub Index 0.43
Live WT (kg) -1.40 -0.307 0.43
Total Carbon Sub Index 7.77

* Based on an €80/tonne carbon price