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 -3.22
Milk (kg) -12.00 -0.014 0.17
Fat (kg) 6.37 -0.375 -2.39
Prot (kg) 2.26 -0.441 -1.00
Fertility Sub Index -0.15
Calving Interval (days) 0.33 -1.459 -0.48
Survival (%) 0.30 1.117 0.34
Calving Sub Index 0.34
Gestation Length (days) -0.37 -0.919 0.34
Beef Sub Index 0.28
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 0.44 -0.432 -0.19
Maintenance Sub Index Maint. Sub Index 0.28
Live WT (kg) -0.90 -0.307 0.28
Total Carbon Sub Index -2.45

* Based on an €80/tonne carbon price