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 12.71
Milk (kg) -434.00 -0.014 6.08
Fat (kg) -6.50 -0.375 2.43
Prot (kg) -9.52 -0.441 4.20
Fertility Sub Index 4.18
Calving Interval (days) -2.47 -1.459 3.60
Survival (%) 0.52 1.117 0.58
Calving Sub Index 0.37
Gestation Length (days) -0.40 -0.919 0.37
Beef Sub Index 0.49
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 2.40 -0.432 -1.04
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index 19.73

* Based on an €80/tonne carbon price