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 2.86
Milk (kg) -130.00 -0.014 1.82
Fat (kg) -1.04 -0.375 0.39
Prot (kg) -1.47 -0.441 0.65
Fertility Sub Index 0.69
Calving Interval (days) -1.05 -1.459 1.53
Survival (%) -0.75 1.117 -0.84
Calving Sub Index -1.54
Gestation Length (days) 1.68 -0.919 -1.54
Beef Sub Index -2.68
Carcass Weight (kg) 2.80 -0.528 -1.48
Age of Slaughter (days) 2.78 -0.432 -1.20
Maintenance Sub Index Maint. Sub Index -1.16
Live WT (kg) 3.80 -0.307 -1.16
Total Carbon Sub Index -1.84

* Based on an €80/tonne carbon price