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 6.63
Milk (kg) -139.00 -0.014 1.95
Fat (kg) -3.79 -0.375 1.42
Prot (kg) -7.40 -0.441 3.27
Fertility Sub Index 2.42
Calving Interval (days) -2.20 -1.459 3.21
Survival (%) -0.71 1.117 -0.79
Calving Sub Index -0.32
Gestation Length (days) 0.35 -0.919 -0.32
Beef Sub Index -1.05
Carcass Weight (kg) 0.70 -0.528 -0.37
Age of Slaughter (days) 1.58 -0.432 -0.68
Maintenance Sub Index Maint. Sub Index -4.23
Live WT (kg) 13.80 -0.307 -4.23
Total Carbon Sub Index 3.45

* Based on an €80/tonne carbon price