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 1.46
Milk (kg) -34.00 -0.014 0.48
Fat (kg) -1.60 -0.375 0.60
Prot (kg) -0.88 -0.441 0.39
Fertility Sub Index 2.66
Calving Interval (days) -1.18 -1.459 1.72
Survival (%) 0.84 1.117 0.94
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.19
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.98 -0.432 -1.29
Maintenance Sub Index Maint. Sub Index 5.64
Live WT (kg) -18.40 -0.307 5.64
Total Carbon Sub Index 13.76

* Based on an €80/tonne carbon price