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 3.24
Milk (kg) -1.00 -0.014 0.01
Fat (kg) -0.85 -0.375 0.32
Prot (kg) -6.58 -0.441 2.90
Fertility Sub Index -7.79
Calving Interval (days) 4.37 -1.459 -6.38
Survival (%) -1.27 1.117 -1.42
Calving Sub Index 1.38
Gestation Length (days) -1.50 -0.919 1.38
Beef Sub Index -2.15
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 8.52 -0.432 -3.68
Maintenance Sub Index Maint. Sub Index 0.37
Live WT (kg) -1.20 -0.307 0.37
Total Carbon Sub Index -4.97

* Based on an €80/tonne carbon price