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 5.62
Milk (kg) -94.00 -0.014 1.32
Fat (kg) -3.42 -0.375 1.28
Prot (kg) -6.84 -0.441 3.02
Fertility Sub Index 0.19
Calving Interval (days) -0.28 -1.459 0.41
Survival (%) -0.20 1.117 -0.22
Calving Sub Index -0.48
Gestation Length (days) 0.52 -0.919 -0.48
Beef Sub Index 0.98
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 0.17 -0.432 -0.07
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index 8.27

* Based on an €80/tonne carbon price