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 5.36
Milk (kg) -102.00 -0.014 1.43
Fat (kg) -4.18 -0.375 1.57
Prot (kg) -5.37 -0.441 2.37
Fertility Sub Index 1.47
Calving Interval (days) -0.96 -1.459 1.40
Survival (%) 0.06 1.117 0.07
Calving Sub Index -0.30
Gestation Length (days) 0.33 -0.919 -0.30
Beef Sub Index 0.18
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 2.40 -0.432 -1.04
Maintenance Sub Index Maint. Sub Index -0.86
Live WT (kg) 2.80 -0.307 -0.86
Total Carbon Sub Index 5.85

* Based on an €80/tonne carbon price