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 1.17
Milk (kg) -7.00 -0.014 0.10
Fat (kg) -2.05 -0.375 0.77
Prot (kg) -0.69 -0.441 0.30
Fertility Sub Index 2.05
Calving Interval (days) -1.06 -1.459 1.55
Survival (%) 0.45 1.117 0.50
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.32
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 0.36 -0.432 -0.16
Maintenance Sub Index Maint. Sub Index 2.67
Live WT (kg) -8.70 -0.307 2.67
Total Carbon Sub Index 6.73

* Based on an €80/tonne carbon price