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 4.81
Milk (kg) -31.00 -0.014 0.43
Fat (kg) -4.54 -0.375 1.70
Prot (kg) -6.06 -0.441 2.67
Fertility Sub Index -8.57
Calving Interval (days) 4.38 -1.459 -6.39
Survival (%) -1.95 1.117 -2.18
Calving Sub Index 0.04
Gestation Length (days) -0.04 -0.919 0.04
Beef Sub Index 0.49
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 2.90 -0.432 -1.25
Maintenance Sub Index Maint. Sub Index 0.95
Live WT (kg) -3.10 -0.307 0.95
Total Carbon Sub Index -2.29

* Based on an €80/tonne carbon price