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 4.65
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -3.47 -0.375 1.30
Prot (kg) -3.14 -0.441 1.39
Fertility Sub Index 1.48
Calving Interval (days) -1.52 -1.459 2.22
Survival (%) -0.66 1.117 -0.74
Calving Sub Index -0.17
Gestation Length (days) 0.19 -0.919 -0.17
Beef Sub Index 0.70
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) -0.39 -0.432 0.17
Maintenance Sub Index Maint. Sub Index 2.33
Live WT (kg) -7.60 -0.307 2.33
Total Carbon Sub Index 8.97

* Based on an €80/tonne carbon price