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 6.68
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -3.80 -0.375 1.42
Prot (kg) -7.47 -0.441 3.30
Fertility Sub Index 1.46
Calving Interval (days) -0.72 -1.459 1.05
Survival (%) 0.37 1.117 0.41
Calving Sub Index -0.08
Gestation Length (days) 0.09 -0.919 -0.08
Beef Sub Index 0.37
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.23 -0.432 -0.53
Maintenance Sub Index Maint. Sub Index -2.02
Live WT (kg) 6.60 -0.307 -2.02
Total Carbon Sub Index 6.41

* Based on an €80/tonne carbon price