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 5.87
Milk (kg) -141.00 -0.014 1.97
Fat (kg) -5.07 -0.375 1.90
Prot (kg) -4.53 -0.441 2.00
Fertility Sub Index -1.19
Calving Interval (days) 2.27 -1.459 -3.31
Survival (%) 1.90 1.117 2.12
Calving Sub Index -2.71
Gestation Length (days) 2.95 -0.919 -2.71
Beef Sub Index 0.39
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 3.00 -0.432 -1.30
Maintenance Sub Index Maint. Sub Index 2.51
Live WT (kg) -8.20 -0.307 2.51
Total Carbon Sub Index 4.87

* Based on an €80/tonne carbon price