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 6.04
Milk (kg) -156.00 -0.014 2.18
Fat (kg) -0.88 -0.375 0.33
Prot (kg) -8.00 -0.441 3.53
Fertility Sub Index 2.60
Calving Interval (days) -1.05 -1.459 1.53
Survival (%) 0.96 1.117 1.07
Calving Sub Index -0.28
Gestation Length (days) 0.31 -0.919 -0.28
Beef Sub Index -1.70
Carcass Weight (kg) 1.80 -0.528 -0.95
Age of Slaughter (days) 1.74 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 0.25
Live WT (kg) -0.80 -0.307 0.25
Total Carbon Sub Index 6.91

* Based on an €80/tonne carbon price