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 1.70
Milk (kg) -39.00 -0.014 0.55
Fat (kg) -1.53 -0.375 0.57
Prot (kg) -1.31 -0.441 0.58
Fertility Sub Index 5.45
Calving Interval (days) -3.16 -1.459 4.61
Survival (%) 0.75 1.117 0.84
Calving Sub Index 0.22
Gestation Length (days) -0.24 -0.919 0.22
Beef Sub Index -0.12
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 1.87 -0.432 -0.81
Maintenance Sub Index Maint. Sub Index 2.64
Live WT (kg) -8.60 -0.307 2.64
Total Carbon Sub Index 9.89

* Based on an €80/tonne carbon price