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 0.65
Milk (kg) 9.00 -0.014 -0.13
Fat (kg) 0.78 -0.375 -0.29
Prot (kg) -2.43 -0.441 1.07
Fertility Sub Index -0.94
Calving Interval (days) 0.45 -1.459 -0.66
Survival (%) -0.25 1.117 -0.28
Calving Sub Index -0.33
Gestation Length (days) 0.36 -0.919 -0.33
Beef Sub Index -0.19
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 3.12 -0.432 -1.35
Maintenance Sub Index Maint. Sub Index 0.64
Live WT (kg) -2.10 -0.307 0.64
Total Carbon Sub Index -0.15

* Based on an €80/tonne carbon price