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 3.05
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -1.74 -0.375 0.65
Prot (kg) -2.23 -0.441 0.98
Fertility Sub Index 7.36
Calving Interval (days) -3.32 -1.459 4.84
Survival (%) 2.25 1.117 2.51
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.95
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) -2.79 -0.432 1.20
Maintenance Sub Index Maint. Sub Index 6.01
Live WT (kg) -19.60 -0.307 6.01
Total Carbon Sub Index 22.15

* Based on an €80/tonne carbon price