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 30.19
Milk (kg) -451.00 -0.014 6.31
Fat (kg) -32.50 -0.375 12.17
Prot (kg) -26.52 -0.441 11.70
Fertility Sub Index 6.26
Calving Interval (days) -2.96 -1.459 4.32
Survival (%) 1.74 1.117 1.94
Calving Sub Index -0.73
Gestation Length (days) 0.79 -0.919 -0.73
Beef Sub Index -1.41
Carcass Weight (kg) 0.70 -0.528 -0.37
Age of Slaughter (days) 2.40 -0.432 -1.04
Maintenance Sub Index Maint. Sub Index 3.86
Live WT (kg) -12.60 -0.307 3.86
Total Carbon Sub Index 38.19

* Based on an €80/tonne carbon price