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 3.94
Milk (kg) -49.00 -0.014 0.69
Fat (kg) -3.78 -0.375 1.42
Prot (kg) -4.17 -0.441 1.84
Fertility Sub Index 0.91
Calving Interval (days) -0.60 -1.459 0.88
Survival (%) 0.03 1.117 0.03
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.04
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 0.27 -0.432 -0.12
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 7.72

* Based on an €80/tonne carbon price