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 4.45
Milk (kg) -139.00 -0.014 1.95
Fat (kg) -2.05 -0.375 0.77
Prot (kg) -3.94 -0.441 1.74
Fertility Sub Index 5.24
Calving Interval (days) -3.25 -1.459 4.74
Survival (%) 0.45 1.117 0.50
Calving Sub Index 0.06
Gestation Length (days) -0.07 -0.919 0.06
Beef Sub Index -0.72
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 4.85 -0.432 -2.09
Maintenance Sub Index Maint. Sub Index 4.84
Live WT (kg) -15.80 -0.307 4.84
Total Carbon Sub Index 13.88

* Based on an €80/tonne carbon price