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 5.07
Milk (kg) -87.00 -0.014 1.22
Fat (kg) -7.49 -0.375 2.81
Prot (kg) -2.37 -0.441 1.05
Fertility Sub Index 0.30
Calving Interval (days) -0.31 -1.459 0.45
Survival (%) -0.14 1.117 -0.16
Calving Sub Index -1.11
Gestation Length (days) 1.21 -0.919 -1.11
Beef Sub Index -3.84
Carcass Weight (kg) 7.10 -0.528 -3.75
Age of Slaughter (days) 0.22 -0.432 -0.09
Maintenance Sub Index Maint. Sub Index -3.74
Live WT (kg) 12.20 -0.307 -3.74
Total Carbon Sub Index -3.33

* Based on an €80/tonne carbon price