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 13.31
Milk (kg) -196.00 -0.014 2.74
Fat (kg) -10.30 -0.375 3.86
Prot (kg) -15.19 -0.441 6.70
Fertility Sub Index 3.79
Calving Interval (days) -2.56 -1.459 3.74
Survival (%) 0.05 1.117 0.06
Calving Sub Index 0.53
Gestation Length (days) -0.58 -0.919 0.53
Beef Sub Index 0.01
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 2.54 -0.432 -1.10
Maintenance Sub Index Maint. Sub Index 4.57
Live WT (kg) -14.90 -0.307 4.57
Total Carbon Sub Index 22.21

* Based on an €80/tonne carbon price