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 9.98
Milk (kg) -180.00 -0.014 2.52
Fat (kg) -8.70 -0.375 3.26
Prot (kg) -9.52 -0.441 4.20
Fertility Sub Index 1.41
Calving Interval (days) -0.76 -1.459 1.11
Survival (%) 0.27 1.117 0.30
Calving Sub Index -0.35
Gestation Length (days) 0.38 -0.919 -0.35
Beef Sub Index -0.21
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 2.08 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index -0.89
Live WT (kg) 2.90 -0.307 -0.89
Total Carbon Sub Index 9.94

* Based on an €80/tonne carbon price