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 6.41
Milk (kg) -79.00 -0.014 1.11
Fat (kg) -4.45 -0.375 1.67
Prot (kg) -8.23 -0.441 3.63
Fertility Sub Index 3.25
Calving Interval (days) -1.71 -1.459 2.49
Survival (%) 0.68 1.117 0.76
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.19
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 4.85 -0.432 -2.09
Maintenance Sub Index Maint. Sub Index 0.40
Live WT (kg) -1.30 -0.307 0.40
Total Carbon Sub Index 9.39

* Based on an €80/tonne carbon price