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 23.59
Milk (kg) -582.00 -0.014 8.15
Fat (kg) -20.17 -0.375 7.55
Prot (kg) -17.88 -0.441 7.89
Fertility Sub Index 4.95
Calving Interval (days) -2.98 -1.459 4.35
Survival (%) 0.54 1.117 0.60
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 2.25
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) -2.89 -0.432 1.25
Maintenance Sub Index Maint. Sub Index 3.65
Live WT (kg) -11.90 -0.307 3.65
Total Carbon Sub Index 35.54

* Based on an €80/tonne carbon price