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 2.81
Milk (kg) -99.00 -0.014 1.39
Fat (kg) -1.03 -0.375 0.39
Prot (kg) -2.36 -0.441 1.04
Fertility Sub Index 3.46
Calving Interval (days) -1.30 -1.459 1.90
Survival (%) 1.40 1.117 1.56
Calving Sub Index 0.70
Gestation Length (days) -0.76 -0.919 0.70
Beef Sub Index 2.68
Carcass Weight (kg) -12.50 -0.528 6.59
Age of Slaughter (days) 9.06 -0.432 -3.91
Maintenance Sub Index Maint. Sub Index 11.93
Live WT (kg) -38.90 -0.307 11.93
Total Carbon Sub Index 21.59

* Based on an €80/tonne carbon price