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 2.88
Milk (kg) -113.00 -0.014 1.58
Fat (kg) 0.20 -0.375 -0.07
Prot (kg) -3.11 -0.441 1.37
Fertility Sub Index 3.10
Calving Interval (days) -0.86 -1.459 1.25
Survival (%) 1.65 1.117 1.84
Calving Sub Index 0.74
Gestation Length (days) -0.80 -0.919 0.74
Beef Sub Index 11.87
Carcass Weight (kg) -29.10 -0.528 15.35
Age of Slaughter (days) 8.06 -0.432 -3.48
Maintenance Sub Index Maint. Sub Index 22.81
Live WT (kg) -74.40 -0.307 22.81
Total Carbon Sub Index 41.40

* Based on an €80/tonne carbon price