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 -3.58
Milk (kg) 107.00 -0.014 -1.50
Fat (kg) 2.24 -0.375 -0.84
Prot (kg) 2.81 -0.441 -1.24
Fertility Sub Index -4.50
Calving Interval (days) 2.70 -1.459 -3.94
Survival (%) -0.50 1.117 -0.56
Calving Sub Index 1.20
Gestation Length (days) -1.31 -0.919 1.20
Beef Sub Index -1.79
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) 4.76 -0.432 -2.05
Maintenance Sub Index Maint. Sub Index 0.34
Live WT (kg) -1.10 -0.307 0.34
Total Carbon Sub Index -8.32

* Based on an €80/tonne carbon price