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 5.18
Milk (kg) -151.00 -0.014 2.11
Fat (kg) -3.26 -0.375 1.22
Prot (kg) -4.17 -0.441 1.84
Fertility Sub Index 1.73
Calving Interval (days) -0.89 -1.459 1.30
Survival (%) 0.39 1.117 0.44
Calving Sub Index 0.28
Gestation Length (days) -0.30 -0.919 0.28
Beef Sub Index -0.14
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 1.43 -0.432 -0.62
Maintenance Sub Index Maint. Sub Index -0.40
Live WT (kg) 1.30 -0.307 -0.40
Total Carbon Sub Index 6.65

* Based on an €80/tonne carbon price