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 -1.05
Milk (kg) 31.00 -0.014 -0.43
Fat (kg) 0.31 -0.375 -0.12
Prot (kg) 1.13 -0.441 -0.50
Fertility Sub Index -9.62
Calving Interval (days) 5.20 -1.459 -7.59
Survival (%) -1.82 1.117 -2.03
Calving Sub Index 2.03
Gestation Length (days) -2.21 -0.919 2.03
Beef Sub Index -0.41
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 3.39 -0.432 -1.46
Maintenance Sub Index Maint. Sub Index 1.62
Live WT (kg) -5.30 -0.307 1.62
Total Carbon Sub Index -7.42

* Based on an €80/tonne carbon price