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 -3.09
Milk (kg) 8.00 -0.014 -0.11
Fat (kg) 7.50 -0.375 -2.81
Prot (kg) 0.39 -0.441 -0.17
Fertility Sub Index -0.42
Calving Interval (days) 0.42 -1.459 -0.61
Survival (%) 0.17 1.117 0.19
Calving Sub Index 0.28
Gestation Length (days) -0.30 -0.919 0.28
Beef Sub Index -0.20
Carcass Weight (kg) -0.40 -0.528 0.21
Age of Slaughter (days) 0.96 -0.432 -0.41
Maintenance Sub Index Maint. Sub Index -0.43
Live WT (kg) 1.40 -0.307 -0.43
Total Carbon Sub Index -3.87

* Based on an €80/tonne carbon price