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 6.21
Milk (kg) -137.00 -0.014 1.92
Fat (kg) -0.79 -0.375 0.30
Prot (kg) -9.05 -0.441 3.99
Fertility Sub Index -2.18
Calving Interval (days) 0.65 -1.459 -0.95
Survival (%) -1.10 1.117 -1.23
Calving Sub Index -0.07
Gestation Length (days) 0.08 -0.919 -0.07
Beef Sub Index 0.52
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.98 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 0.18
Live WT (kg) -0.60 -0.307 0.18
Total Carbon Sub Index 4.66

* Based on an €80/tonne carbon price