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 0.55
Milk (kg) -46.00 -0.014 0.64
Fat (kg) 1.57 -0.375 -0.59
Prot (kg) -1.13 -0.441 0.50
Fertility Sub Index 2.33
Calving Interval (days) -1.22 -1.459 1.78
Survival (%) 0.49 1.117 0.55
Calving Sub Index 0.28
Gestation Length (days) -0.31 -0.919 0.28
Beef Sub Index 3.54
Carcass Weight (kg) -8.60 -0.528 4.54
Age of Slaughter (days) 2.32 -0.432 -1.00
Maintenance Sub Index Maint. Sub Index 7.88
Live WT (kg) -25.70 -0.307 7.88
Total Carbon Sub Index 14.59

* Based on an €80/tonne carbon price