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 16.34
Milk (kg) -444.00 -0.014 6.22
Fat (kg) -12.21 -0.375 4.57
Prot (kg) -12.57 -0.441 5.55
Fertility Sub Index 5.66
Calving Interval (days) -3.22 -1.459 4.70
Survival (%) 0.86 1.117 0.96
Calving Sub Index -2.44
Gestation Length (days) 2.65 -0.919 -2.44
Beef Sub Index 1.66
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) -1.16 -0.432 0.50
Maintenance Sub Index Maint. Sub Index 1.93
Live WT (kg) -6.30 -0.307 1.93
Total Carbon Sub Index 23.15

* Based on an €80/tonne carbon price