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 3.40
Milk (kg) -52.00 -0.014 0.73
Fat (kg) -3.19 -0.375 1.19
Prot (kg) -3.34 -0.441 1.47
Fertility Sub Index 0.26
Calving Interval (days) -0.20 -1.459 0.29
Survival (%) -0.03 1.117 -0.03
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.10
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 2.08 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 0.34
Live WT (kg) -1.10 -0.307 0.34
Total Carbon Sub Index 3.62

* Based on an €80/tonne carbon price