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 1.15
Milk (kg) 2.00 -0.014 -0.03
Fat (kg) -3.44 -0.375 1.29
Prot (kg) 0.26 -0.441 -0.11
Fertility Sub Index -1.38
Calving Interval (days) 0.34 -1.459 -0.50
Survival (%) -0.79 1.117 -0.88
Calving Sub Index -0.42
Gestation Length (days) 0.46 -0.919 -0.42
Beef Sub Index -3.90
Carcass Weight (kg) 4.10 -0.528 -2.16
Age of Slaughter (days) 4.02 -0.432 -1.74
Maintenance Sub Index Maint. Sub Index 0.37
Live WT (kg) -1.20 -0.307 0.37
Total Carbon Sub Index -4.18

* Based on an €80/tonne carbon price