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 6.08
Milk (kg) -105.00 -0.014 1.47
Fat (kg) -5.64 -0.375 2.11
Prot (kg) -5.66 -0.441 2.50
Fertility Sub Index -4.06
Calving Interval (days) 2.13 -1.459 -3.11
Survival (%) -0.85 1.117 -0.95
Calving Sub Index 0.50
Gestation Length (days) -0.54 -0.919 0.50
Beef Sub Index -0.55
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 3.36 -0.432 -1.45
Maintenance Sub Index Maint. Sub Index 1.01
Live WT (kg) -3.30 -0.307 1.01
Total Carbon Sub Index 2.97

* Based on an €80/tonne carbon price