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 4.58
Milk (kg) -114.00 -0.014 1.60
Fat (kg) -2.76 -0.375 1.03
Prot (kg) -4.41 -0.441 1.95
Fertility Sub Index -1.61
Calving Interval (days) 0.65 -1.459 -0.95
Survival (%) -0.59 1.117 -0.66
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.42
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 1.72 -0.432 -0.74
Maintenance Sub Index Maint. Sub Index 1.29
Live WT (kg) -4.20 -0.307 1.29
Total Carbon Sub Index 4.20

* Based on an €80/tonne carbon price