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 3.41
Milk (kg) -72.00 -0.014 1.01
Fat (kg) -2.03 -0.375 0.76
Prot (kg) -3.73 -0.441 1.65
Fertility Sub Index 0.50
Calving Interval (days) -0.29 -1.459 0.42
Survival (%) 0.07 1.117 0.08
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.40
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) 1.79 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 1.07
Live WT (kg) -3.50 -0.307 1.07
Total Carbon Sub Index 4.12

* Based on an €80/tonne carbon price