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 7.12
Milk (kg) -111.00 -0.014 1.55
Fat (kg) -9.05 -0.375 3.39
Prot (kg) -4.94 -0.441 2.18
Fertility Sub Index 4.45
Calving Interval (days) -1.92 -1.459 2.80
Survival (%) 1.48 1.117 1.65
Calving Sub Index -0.97
Gestation Length (days) 1.05 -0.919 -0.97
Beef Sub Index -2.20
Carcass Weight (kg) 2.70 -0.528 -1.42
Age of Slaughter (days) 1.80 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 0.89
Live WT (kg) -2.90 -0.307 0.89
Total Carbon Sub Index 9.30

* Based on an €80/tonne carbon price