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 1.38
Milk (kg) -8.00 -0.014 0.11
Fat (kg) -1.97 -0.375 0.74
Prot (kg) -1.20 -0.441 0.53
Fertility Sub Index 1.18
Calving Interval (days) -0.62 -1.459 0.90
Survival (%) 0.25 1.117 0.28
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.24
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.77 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 4.64

* Based on an €80/tonne carbon price