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 3.60
Milk (kg) -147.00 -0.014 2.06
Fat (kg) 1.07 -0.375 -0.40
Prot (kg) -4.41 -0.441 1.95
Fertility Sub Index 0.37
Calving Interval (days) 0.16 -1.459 -0.23
Survival (%) 0.54 1.117 0.60
Calving Sub Index 0.36
Gestation Length (days) -0.39 -0.919 0.36
Beef Sub Index -1.07
Carcass Weight (kg) -0.10 -0.528 0.05
Age of Slaughter (days) 2.60 -0.432 -1.12
Maintenance Sub Index Maint. Sub Index 3.00
Live WT (kg) -9.80 -0.307 3.00
Total Carbon Sub Index 6.26

* Based on an €80/tonne carbon price