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 5.58
Milk (kg) -180.00 -0.014 2.52
Fat (kg) -3.25 -0.375 1.22
Prot (kg) -4.18 -0.441 1.84
Fertility Sub Index -1.57
Calving Interval (days) 1.71 -1.459 -2.49
Survival (%) 0.83 1.117 0.93
Calving Sub Index -1.32
Gestation Length (days) 1.44 -0.919 -1.32
Beef Sub Index 0.43
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 4.88 -0.432 -2.11
Maintenance Sub Index Maint. Sub Index 6.10
Live WT (kg) -19.90 -0.307 6.10
Total Carbon Sub Index 9.22

* Based on an €80/tonne carbon price