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 8.63
Milk (kg) -148.00 -0.014 2.07
Fat (kg) -3.55 -0.375 1.33
Prot (kg) -11.84 -0.441 5.23
Fertility Sub Index 2.07
Calving Interval (days) -1.08 -1.459 1.58
Survival (%) 0.44 1.117 0.49
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.31
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.60 -0.432 -0.69
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 12.44

* Based on an €80/tonne carbon price