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 1.60
Milk (kg) 18.00 -0.014 -0.25
Fat (kg) -0.56 -0.375 0.21
Prot (kg) -3.71 -0.441 1.64
Fertility Sub Index -0.30
Calving Interval (days) 0.13 -1.459 -0.19
Survival (%) -0.10 1.117 -0.11
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.18
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.29 -0.432 -0.56
Maintenance Sub Index Maint. Sub Index 1.23
Live WT (kg) -4.00 -0.307 1.23
Total Carbon Sub Index 2.23

* Based on an €80/tonne carbon price