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 7.38
Milk (kg) -170.00 -0.014 2.38
Fat (kg) -4.60 -0.375 1.72
Prot (kg) -7.43 -0.441 3.28
Fertility Sub Index 5.74
Calving Interval (days) -2.92 -1.459 4.26
Survival (%) 1.32 1.117 1.47
Calving Sub Index 0.23
Gestation Length (days) -0.25 -0.919 0.23
Beef Sub Index 0.34
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 3.24 -0.432 -1.40
Maintenance Sub Index Maint. Sub Index 2.45
Live WT (kg) -8.00 -0.307 2.45
Total Carbon Sub Index 16.14

* Based on an €80/tonne carbon price