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 3.37
Milk (kg) -57.00 -0.014 0.80
Fat (kg) -4.19 -0.375 1.57
Prot (kg) -2.28 -0.441 1.01
Fertility Sub Index 2.22
Calving Interval (days) -2.21 -1.459 3.22
Survival (%) -0.90 1.117 -1.01
Calving Sub Index 0.28
Gestation Length (days) -0.31 -0.919 0.28
Beef Sub Index 1.96
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 1.32 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 2.79
Live WT (kg) -9.10 -0.307 2.79
Total Carbon Sub Index 10.63

* Based on an €80/tonne carbon price