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 24.16
Milk (kg) -532.00 -0.014 7.45
Fat (kg) -23.45 -0.375 8.78
Prot (kg) -17.96 -0.441 7.93
Fertility Sub Index 2.40
Calving Interval (days) -3.75 -1.459 5.47
Survival (%) -2.75 1.117 -3.07
Calving Sub Index 1.18
Gestation Length (days) -1.28 -0.919 1.18
Beef Sub Index 0.70
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) -0.89 -0.432 0.38
Maintenance Sub Index Maint. Sub Index 0.67
Live WT (kg) -2.20 -0.307 0.67
Total Carbon Sub Index 29.12

* Based on an €80/tonne carbon price