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 3.43
Milk (kg) -82.00 -0.014 1.15
Fat (kg) -2.92 -0.375 1.09
Prot (kg) -2.70 -0.441 1.19
Fertility Sub Index 1.38
Calving Interval (days) -0.75 -1.459 1.09
Survival (%) 0.26 1.117 0.29
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.76
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 1.30 -0.432 -0.56
Maintenance Sub Index Maint. Sub Index 3.19
Live WT (kg) -10.40 -0.307 3.19
Total Carbon Sub Index 8.30

* Based on an €80/tonne carbon price