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 4.82
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -8.26 -0.375 3.09
Prot (kg) -0.70 -0.441 0.31
Fertility Sub Index 3.42
Calving Interval (days) -2.22 -1.459 3.24
Survival (%) 0.16 1.117 0.18
Calving Sub Index -0.45
Gestation Length (days) 0.49 -0.919 -0.45
Beef Sub Index 0.50
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.17 -0.432 -0.51
Maintenance Sub Index Maint. Sub Index 3.13
Live WT (kg) -10.20 -0.307 3.13
Total Carbon Sub Index 11.40

* Based on an €80/tonne carbon price