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 5.23
Milk (kg) -181.00 -0.014 2.53
Fat (kg) -1.99 -0.375 0.75
Prot (kg) -4.43 -0.441 1.96
Fertility Sub Index 2.11
Calving Interval (days) -1.51 -1.459 2.20
Survival (%) -0.08 1.117 -0.09
Calving Sub Index 0.65
Gestation Length (days) -0.71 -0.919 0.65
Beef Sub Index 0.00
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.95 -0.432 -0.84
Maintenance Sub Index Maint. Sub Index 0.55
Live WT (kg) -1.80 -0.307 0.55
Total Carbon Sub Index 8.56

* Based on an €80/tonne carbon price