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 1.79
Milk (kg) -173.00 -0.014 2.42
Fat (kg) 8.00 -0.375 -3.00
Prot (kg) -5.36 -0.441 2.37
Fertility Sub Index 1.04
Calving Interval (days) -0.45 -1.459 0.66
Survival (%) 0.34 1.117 0.38
Calving Sub Index -0.32
Gestation Length (days) 0.35 -0.919 -0.32
Beef Sub Index -0.15
Carcass Weight (kg) -0.10 -0.528 0.05
Age of Slaughter (days) 0.48 -0.432 -0.21
Maintenance Sub Index Maint. Sub Index 0.46
Live WT (kg) -1.50 -0.307 0.46
Total Carbon Sub Index 2.82

* Based on an €80/tonne carbon price