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 -4.25
Milk (kg) 24.00 -0.014 -0.34
Fat (kg) 8.21 -0.375 -3.08
Prot (kg) 1.89 -0.441 -0.83
Fertility Sub Index -1.00
Calving Interval (days) 0.43 -1.459 -0.63
Survival (%) -0.33 1.117 -0.37
Calving Sub Index 0.16
Gestation Length (days) -0.17 -0.919 0.16
Beef Sub Index 1.16
Carcass Weight (kg) 0.80 -0.528 -0.42
Age of Slaughter (days) -3.67 -0.432 1.58
Maintenance Sub Index Maint. Sub Index -3.37
Live WT (kg) 11.00 -0.307 -3.37
Total Carbon Sub Index -7.30

* Based on an €80/tonne carbon price