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 3.06
Milk (kg) -203.00 -0.014 2.84
Fat (kg) 3.70 -0.375 -1.39
Prot (kg) -3.63 -0.441 1.60
Fertility Sub Index 1.25
Calving Interval (days) -1.33 -1.459 1.94
Survival (%) -0.62 1.117 -0.69
Calving Sub Index -0.30
Gestation Length (days) 0.33 -0.919 -0.30
Beef Sub Index 0.28
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 2.16 -0.432 -0.93
Maintenance Sub Index Maint. Sub Index 1.20
Live WT (kg) -3.90 -0.307 1.20
Total Carbon Sub Index 5.49

* Based on an €80/tonne carbon price