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 1.98
Milk (kg) -75.00 -0.014 1.05
Fat (kg) -1.33 -0.375 0.50
Prot (kg) -0.97 -0.441 0.43
Fertility Sub Index 4.30
Calving Interval (days) -2.22 -1.459 3.24
Survival (%) 0.95 1.117 1.06
Calving Sub Index 1.24
Gestation Length (days) -1.35 -0.919 1.24
Beef Sub Index 0.05
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 2.20 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 4.41
Live WT (kg) -14.40 -0.307 4.41
Total Carbon Sub Index 11.98

* Based on an €80/tonne carbon price