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 3.17
Milk (kg) -18.00 -0.014 0.25
Fat (kg) -4.18 -0.375 1.57
Prot (kg) -3.06 -0.441 1.35
Fertility Sub Index -2.04
Calving Interval (days) 1.19 -1.459 -1.74
Survival (%) -0.27 1.117 -0.30
Calving Sub Index 0.28
Gestation Length (days) -0.30 -0.919 0.28
Beef Sub Index 1.00
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 2.33 -0.432 -1.01
Maintenance Sub Index Maint. Sub Index 1.44
Live WT (kg) -4.70 -0.307 1.44
Total Carbon Sub Index 3.85

* Based on an €80/tonne carbon price