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 10.62
Milk (kg) -131.00 -0.014 1.83
Fat (kg) -13.86 -0.375 5.19
Prot (kg) -8.15 -0.441 3.60
Fertility Sub Index 2.48
Calving Interval (days) -1.86 -1.459 2.71
Survival (%) -0.21 1.117 -0.23
Calving Sub Index -0.09
Gestation Length (days) 0.10 -0.919 -0.09
Beef Sub Index 1.84
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) 1.00 -0.432 -0.43
Maintenance Sub Index Maint. Sub Index 3.53
Live WT (kg) -11.50 -0.307 3.53
Total Carbon Sub Index 18.37

* Based on an €80/tonne carbon price