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 -1.30
Milk (kg) -11.00 -0.014 0.15
Fat (kg) 3.44 -0.375 -1.29
Prot (kg) 0.38 -0.441 -0.17
Fertility Sub Index -2.30
Calving Interval (days) 1.39 -1.459 -2.03
Survival (%) -0.24 1.117 -0.27
Calving Sub Index 0.24
Gestation Length (days) -0.26 -0.919 0.24
Beef Sub Index 0.13
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) 0.55 -0.432 -0.24
Maintenance Sub Index Maint. Sub Index -1.20
Live WT (kg) 3.90 -0.307 -1.20
Total Carbon Sub Index -4.43

* Based on an €80/tonne carbon price