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 0.86
Milk (kg) -30.00 -0.014 0.42
Fat (kg) 1.43 -0.375 -0.54
Prot (kg) -2.20 -0.441 0.97
Fertility Sub Index 1.03
Calving Interval (days) -0.64 -1.459 0.93
Survival (%) 0.09 1.117 0.10
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.05
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 1.47 -0.432 -0.63
Maintenance Sub Index Maint. Sub Index 2.02
Live WT (kg) -6.60 -0.307 2.02
Total Carbon Sub Index 3.50

* Based on an €80/tonne carbon price