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 0.90
Milk (kg) -82.00 -0.014 1.15
Fat (kg) 1.47 -0.375 -0.55
Prot (kg) -0.69 -0.441 0.30
Fertility Sub Index 6.52
Calving Interval (days) -3.05 -1.459 4.45
Survival (%) 1.85 1.117 2.07
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.80
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) -2.22 -0.432 0.96
Maintenance Sub Index Maint. Sub Index 6.50
Live WT (kg) -21.20 -0.307 6.50
Total Carbon Sub Index 20.53

* Based on an €80/tonne carbon price