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 2.24
Milk (kg) -30.00 -0.014 0.42
Fat (kg) -0.43 -0.375 0.16
Prot (kg) -3.75 -0.441 1.66
Fertility Sub Index -5.34
Calving Interval (days) 2.58 -1.459 -3.76
Survival (%) -1.41 1.117 -1.58
Calving Sub Index 0.42
Gestation Length (days) -0.46 -0.919 0.42
Beef Sub Index -0.65
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 2.72 -0.432 -1.17
Maintenance Sub Index Maint. Sub Index 0.92
Live WT (kg) -3.00 -0.307 0.92
Total Carbon Sub Index -2.40

* Based on an €80/tonne carbon price