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 8.81
Milk (kg) -123.00 -0.014 1.72
Fat (kg) -11.47 -0.375 4.30
Prot (kg) -6.33 -0.441 2.79
Fertility Sub Index -1.41
Calving Interval (days) -0.60 -1.459 0.88
Survival (%) -2.05 1.117 -2.29
Calving Sub Index 0.28
Gestation Length (days) -0.31 -0.919 0.28
Beef Sub Index -1.20
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) 3.64 -0.432 -1.57
Maintenance Sub Index Maint. Sub Index 1.07
Live WT (kg) -3.50 -0.307 1.07
Total Carbon Sub Index 7.56

* Based on an €80/tonne carbon price