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 20.81
Milk (kg) -467.00 -0.014 6.54
Fat (kg) -16.30 -0.375 6.11
Prot (kg) -18.50 -0.441 8.17
Fertility Sub Index 0.83
Calving Interval (days) -0.51 -1.459 0.74
Survival (%) 0.08 1.117 0.09
Calving Sub Index -1.07
Gestation Length (days) 1.16 -0.919 -1.07
Beef Sub Index -2.48
Carcass Weight (kg) 2.40 -0.528 -1.27
Age of Slaughter (days) 2.82 -0.432 -1.22
Maintenance Sub Index Maint. Sub Index 2.08
Live WT (kg) -6.80 -0.307 2.08
Total Carbon Sub Index 20.18

* Based on an €80/tonne carbon price