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 2.69
Milk (kg) -135.00 -0.014 1.89
Fat (kg) 0.83 -0.375 -0.31
Prot (kg) -2.52 -0.441 1.11
Fertility Sub Index 2.48
Calving Interval (days) -1.44 -1.459 2.10
Survival (%) 0.34 1.117 0.38
Calving Sub Index 0.72
Gestation Length (days) -0.78 -0.919 0.72
Beef Sub Index -1.02
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 5.79 -0.432 -2.50
Maintenance Sub Index Maint. Sub Index 6.77
Live WT (kg) -22.10 -0.307 6.77
Total Carbon Sub Index 11.65

* Based on an €80/tonne carbon price