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 0.99
Milk (kg) -29.00 -0.014 0.41
Fat (kg) -0.41 -0.375 0.15
Prot (kg) -0.98 -0.441 0.43
Fertility Sub Index 0.33
Calving Interval (days) -0.34 -1.459 0.50
Survival (%) -0.15 1.117 -0.17
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.30
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.76 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 3.21

* Based on an €80/tonne carbon price