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 4.21
Milk (kg) -49.00 -0.014 0.69
Fat (kg) -4.47 -0.375 1.67
Prot (kg) -4.20 -0.441 1.85
Fertility Sub Index 1.51
Calving Interval (days) -0.90 -1.459 1.31
Survival (%) 0.18 1.117 0.20
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.10
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.96 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 2.36
Live WT (kg) -7.70 -0.307 2.36
Total Carbon Sub Index 7.72

* Based on an €80/tonne carbon price