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 4.20
Milk (kg) -24.00 -0.014 0.34
Fat (kg) -4.45 -0.375 1.67
Prot (kg) -4.97 -0.441 2.19
Fertility Sub Index -0.68
Calving Interval (days) 0.17 -1.459 -0.25
Survival (%) -0.39 1.117 -0.44
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.02
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 2.52 -0.432 -1.09
Maintenance Sub Index Maint. Sub Index 1.59
Live WT (kg) -5.20 -0.307 1.59
Total Carbon Sub Index 4.66

* Based on an €80/tonne carbon price