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 19.23
Milk (kg) -349.00 -0.014 4.89
Fat (kg) -18.85 -0.375 7.06
Prot (kg) -16.51 -0.441 7.29
Fertility Sub Index 1.41
Calving Interval (days) -0.67 -1.459 0.98
Survival (%) 0.39 1.117 0.44
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.59
Carcass Weight (kg) -0.30 -0.528 0.16
Age of Slaughter (days) 1.74 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 1.13
Live WT (kg) -3.70 -0.307 1.13
Total Carbon Sub Index 20.72

* Based on an €80/tonne carbon price