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 11.07
Milk (kg) -423.00 -0.014 5.92
Fat (kg) -0.14 -0.375 0.05
Prot (kg) -11.55 -0.441 5.10
Fertility Sub Index 5.57
Calving Interval (days) -3.31 -1.459 4.83
Survival (%) 0.66 1.117 0.74
Calving Sub Index 0.83
Gestation Length (days) -0.90 -0.919 0.83
Beef Sub Index -1.66
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 8.36 -0.432 -3.61
Maintenance Sub Index Maint. Sub Index 7.14
Live WT (kg) -23.30 -0.307 7.14
Total Carbon Sub Index 22.95

* Based on an €80/tonne carbon price