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 2.83
Milk (kg) -74.00 -0.014 1.04
Fat (kg) -2.36 -0.375 0.88
Prot (kg) -2.06 -0.441 0.91
Fertility Sub Index -1.21
Calving Interval (days) 1.48 -1.459 -2.16
Survival (%) 0.85 1.117 0.95
Calving Sub Index -0.93
Gestation Length (days) 1.01 -0.919 -0.93
Beef Sub Index -0.73
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 5.47 -0.432 -2.36
Maintenance Sub Index Maint. Sub Index 5.24
Live WT (kg) -17.10 -0.307 5.24
Total Carbon Sub Index 5.20

* Based on an €80/tonne carbon price