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 20.53
Milk (kg) -448.00 -0.014 6.27
Fat (kg) -20.51 -0.375 7.68
Prot (kg) -14.91 -0.441 6.58
Fertility Sub Index 8.16
Calving Interval (days) -6.12 -1.459 8.93
Survival (%) -0.69 1.117 -0.77
Calving Sub Index 0.04
Gestation Length (days) -0.04 -0.919 0.04
Beef Sub Index 2.77
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) -0.68 -0.432 0.29
Maintenance Sub Index Maint. Sub Index 3.74
Live WT (kg) -12.20 -0.307 3.74
Total Carbon Sub Index 35.25

* Based on an €80/tonne carbon price