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 0.70
Milk (kg) -18.00 -0.014 0.25
Fat (kg) -0.78 -0.375 0.29
Prot (kg) -0.36 -0.441 0.16
Fertility Sub Index -0.57
Calving Interval (days) 1.28 -1.459 -1.87
Survival (%) 1.16 1.117 1.30
Calving Sub Index -0.41
Gestation Length (days) 0.45 -0.919 -0.41
Beef Sub Index -2.07
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 7.84 -0.432 -3.38
Maintenance Sub Index Maint. Sub Index 6.35
Live WT (kg) -20.70 -0.307 6.35
Total Carbon Sub Index 4.00

* Based on an €80/tonne carbon price