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 1.03
Milk (kg) -20.00 -0.014 0.28
Fat (kg) 2.24 -0.375 -0.84
Prot (kg) -3.60 -0.441 1.59
Fertility Sub Index -1.28
Calving Interval (days) 0.49 -1.459 -0.71
Survival (%) -0.51 1.117 -0.57
Calving Sub Index 0.77
Gestation Length (days) -0.84 -0.919 0.77
Beef Sub Index -1.64
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 4.78 -0.432 -2.06
Maintenance Sub Index Maint. Sub Index 0.18
Live WT (kg) -0.60 -0.307 0.18
Total Carbon Sub Index -0.95

* Based on an €80/tonne carbon price