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 8.53
Milk (kg) -159.00 -0.014 2.23
Fat (kg) -10.81 -0.375 4.05
Prot (kg) -5.12 -0.441 2.26
Fertility Sub Index 5.97
Calving Interval (days) -3.74 -1.459 5.46
Survival (%) 0.46 1.117 0.51
Calving Sub Index 0.47
Gestation Length (days) -0.51 -0.919 0.47
Beef Sub Index 0.98
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 1.39 -0.432 -0.60
Maintenance Sub Index Maint. Sub Index 4.20
Live WT (kg) -13.70 -0.307 4.20
Total Carbon Sub Index 20.15

* Based on an €80/tonne carbon price