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 7.45
Milk (kg) -220.00 -0.014 3.08
Fat (kg) -4.08 -0.375 1.53
Prot (kg) -6.43 -0.441 2.84
Fertility Sub Index 4.95
Calving Interval (days) -2.95 -1.459 4.30
Survival (%) 0.58 1.117 0.65
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 5.41
Carcass Weight (kg) -9.60 -0.528 5.06
Age of Slaughter (days) -0.81 -0.432 0.35
Maintenance Sub Index Maint. Sub Index 6.28
Live WT (kg) -20.50 -0.307 6.28
Total Carbon Sub Index 25.21

* Based on an €80/tonne carbon price