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 1.12
Milk (kg) -86.00 -0.014 1.20
Fat (kg) 3.21 -0.375 -1.20
Prot (kg) -2.53 -0.441 1.12
Fertility Sub Index 3.11
Calving Interval (days) -1.96 -1.459 2.86
Survival (%) 0.22 1.117 0.25
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.51
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 1.75 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 3.28
Live WT (kg) -10.70 -0.307 3.28
Total Carbon Sub Index 7.55

* Based on an €80/tonne carbon price