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 4.27
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -4.32 -0.375 1.62
Prot (kg) -2.80 -0.441 1.24
Fertility Sub Index 7.06
Calving Interval (days) -3.03 -1.459 4.42
Survival (%) 2.36 1.117 2.64
Calving Sub Index -1.65
Gestation Length (days) 1.79 -0.919 -1.65
Beef Sub Index -1.89
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 6.20 -0.432 -2.68
Maintenance Sub Index Maint. Sub Index 5.70
Live WT (kg) -18.60 -0.307 5.70
Total Carbon Sub Index 13.50

* Based on an €80/tonne carbon price