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 11.00
Milk (kg) -465.00 -0.014 6.51
Fat (kg) 4.65 -0.375 -1.74
Prot (kg) -14.13 -0.441 6.24
Fertility Sub Index 0.75
Calving Interval (days) -0.55 -1.459 0.80
Survival (%) -0.05 1.117 -0.06
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.15
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.72 -0.432 -0.74
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 13.43

* Based on an €80/tonne carbon price