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 7.60
Milk (kg) -134.00 -0.014 1.88
Fat (kg) -8.84 -0.375 3.31
Prot (kg) -5.46 -0.441 2.41
Fertility Sub Index 5.15
Calving Interval (days) -2.36 -1.459 3.44
Survival (%) 1.53 1.117 1.71
Calving Sub Index -1.33
Gestation Length (days) 1.45 -0.919 -1.33
Beef Sub Index -2.12
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 6.99 -0.432 -3.02
Maintenance Sub Index Maint. Sub Index 5.03
Live WT (kg) -16.40 -0.307 5.03
Total Carbon Sub Index 14.32

* Based on an €80/tonne carbon price