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 3.38
Milk (kg) -83.00 -0.014 1.16
Fat (kg) -2.01 -0.375 0.75
Prot (kg) -3.32 -0.441 1.47
Fertility Sub Index 1.19
Calving Interval (days) -0.75 -1.459 1.09
Survival (%) 0.09 1.117 0.10
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.54
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.18 -0.432 -0.94
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 6.54

* Based on an €80/tonne carbon price