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 6.84
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -6.41 -0.375 2.40
Prot (kg) -5.62 -0.441 2.48
Fertility Sub Index 3.77
Calving Interval (days) -2.43 -1.459 3.55
Survival (%) 0.20 1.117 0.22
Calving Sub Index -0.85
Gestation Length (days) 0.92 -0.919 -0.85
Beef Sub Index -1.33
Carcass Weight (kg) 1.50 -0.528 -0.79
Age of Slaughter (days) 1.24 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index 2.88
Live WT (kg) -9.40 -0.307 2.88
Total Carbon Sub Index 11.32

* Based on an €80/tonne carbon price