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 5.37
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -4.56 -0.375 1.71
Prot (kg) -3.85 -0.441 1.70
Fertility Sub Index 6.68
Calving Interval (days) -4.13 -1.459 6.03
Survival (%) 0.59 1.117 0.66
Calving Sub Index -0.46
Gestation Length (days) 0.50 -0.919 -0.46
Beef Sub Index 5.24
Carcass Weight (kg) -9.20 -0.528 4.85
Age of Slaughter (days) -0.90 -0.432 0.39
Maintenance Sub Index Maint. Sub Index 6.87
Live WT (kg) -22.40 -0.307 6.87
Total Carbon Sub Index 23.70

* Based on an €80/tonne carbon price