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 7.65
Milk (kg) -85.00 -0.014 1.19
Fat (kg) -7.09 -0.375 2.66
Prot (kg) -8.62 -0.441 3.80
Fertility Sub Index 1.04
Calving Interval (days) -0.43 -1.459 0.63
Survival (%) 0.37 1.117 0.41
Calving Sub Index 0.18
Gestation Length (days) -0.20 -0.919 0.18
Beef Sub Index -2.43
Carcass Weight (kg) 3.30 -0.528 -1.74
Age of Slaughter (days) 1.60 -0.432 -0.69
Maintenance Sub Index Maint. Sub Index -2.33
Live WT (kg) 7.60 -0.307 -2.33
Total Carbon Sub Index 4.11

* Based on an €80/tonne carbon price