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 3.70
Milk (kg) -34.00 -0.014 0.48
Fat (kg) -6.67 -0.375 2.50
Prot (kg) -1.65 -0.441 0.73
Fertility Sub Index 3.46
Calving Interval (days) -1.88 -1.459 2.74
Survival (%) 0.64 1.117 0.72
Calving Sub Index -0.17
Gestation Length (days) 0.19 -0.919 -0.17
Beef Sub Index 0.58
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 1.60 -0.432 -0.69
Maintenance Sub Index Maint. Sub Index 2.36
Live WT (kg) -7.70 -0.307 2.36
Total Carbon Sub Index 9.92

* Based on an €80/tonne carbon price