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 20.49
Milk (kg) -322.00 -0.014 4.51
Fat (kg) -22.85 -0.375 8.56
Prot (kg) -16.83 -0.441 7.43
Fertility Sub Index 6.05
Calving Interval (days) -2.79 -1.459 4.07
Survival (%) 1.77 1.117 1.98
Calving Sub Index -1.53
Gestation Length (days) 1.66 -0.919 -1.53
Beef Sub Index -2.51
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 7.65 -0.432 -3.30
Maintenance Sub Index Maint. Sub Index 6.16
Live WT (kg) -20.10 -0.307 6.16
Total Carbon Sub Index 28.67

* Based on an €80/tonne carbon price