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 12.19
Milk (kg) -336.00 -0.014 4.70
Fat (kg) -9.15 -0.375 3.43
Prot (kg) -9.20 -0.441 4.06
Fertility Sub Index 8.24
Calving Interval (days) -5.58 -1.459 8.14
Survival (%) 0.09 1.117 0.10
Calving Sub Index 1.47
Gestation Length (days) -1.60 -0.919 1.47
Beef Sub Index -4.91
Carcass Weight (kg) 8.90 -0.528 -4.69
Age of Slaughter (days) 0.50 -0.432 -0.22
Maintenance Sub Index Maint. Sub Index -3.19
Live WT (kg) 10.40 -0.307 -3.19
Total Carbon Sub Index 13.80

* Based on an €80/tonne carbon price