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 5.28
Milk (kg) -229.00 -0.014 3.21
Fat (kg) 1.17 -0.375 -0.44
Prot (kg) -5.69 -0.441 2.51
Fertility Sub Index 0.02
Calving Interval (days) -0.20 -1.459 0.29
Survival (%) -0.24 1.117 -0.27
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.35
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 2.36 -0.432 -1.02
Maintenance Sub Index Maint. Sub Index 0.40
Live WT (kg) -1.30 -0.307 0.40
Total Carbon Sub Index 5.59

* Based on an €80/tonne carbon price