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 5.80
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -7.27 -0.375 2.72
Prot (kg) -3.77 -0.441 1.66
Fertility Sub Index 8.21
Calving Interval (days) -4.05 -1.459 5.91
Survival (%) 2.06 1.117 2.30
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.64
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 0.84 -0.432 -0.36
Maintenance Sub Index Maint. Sub Index 2.70
Live WT (kg) -8.80 -0.307 2.70
Total Carbon Sub Index 16.88

* Based on an €80/tonne carbon price