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 2.70
Milk (kg) 25.00 -0.014 -0.35
Fat (kg) -5.58 -0.375 2.09
Prot (kg) -2.18 -0.441 0.96
Fertility Sub Index 1.35
Calving Interval (days) -0.59 -1.459 0.86
Survival (%) 0.44 1.117 0.49
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 0.38
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.08 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index 2.76
Live WT (kg) -9.00 -0.307 2.76
Total Carbon Sub Index 8.30

* Based on an €80/tonne carbon price