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 6.26
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -7.42 -0.375 2.78
Prot (kg) -3.45 -0.441 1.52
Fertility Sub Index 1.83
Calving Interval (days) -0.32 -1.459 0.47
Survival (%) 1.22 1.117 1.36
Calving Sub Index -0.42
Gestation Length (days) 0.46 -0.919 -0.42
Beef Sub Index -2.56
Carcass Weight (kg) 4.70 -0.528 -2.48
Age of Slaughter (days) 0.18 -0.432 -0.08
Maintenance Sub Index Maint. Sub Index -0.46
Live WT (kg) 1.50 -0.307 -0.46
Total Carbon Sub Index 4.65

* Based on an €80/tonne carbon price