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 5.12
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -6.63 -0.375 2.48
Prot (kg) -2.70 -0.441 1.19
Fertility Sub Index 2.25
Calving Interval (days) -1.25 -1.459 1.82
Survival (%) 0.38 1.117 0.42
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.07
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.67 -0.432 -0.72
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index 8.46

* Based on an €80/tonne carbon price