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 4.86
Milk (kg) -102.00 -0.014 1.43
Fat (kg) -2.79 -0.375 1.05
Prot (kg) -5.40 -0.441 2.38
Fertility Sub Index 5.51
Calving Interval (days) -2.74 -1.459 4.00
Survival (%) 1.35 1.117 1.51
Calving Sub Index 1.83
Gestation Length (days) -1.99 -0.919 1.83
Beef Sub Index 2.20
Carcass Weight (kg) -4.90 -0.528 2.58
Age of Slaughter (days) 0.88 -0.432 -0.38
Maintenance Sub Index Maint. Sub Index 0.74
Live WT (kg) -2.40 -0.307 0.74
Total Carbon Sub Index 15.14

* Based on an €80/tonne carbon price