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 2.41
Milk (kg) -170.00 -0.014 2.38
Fat (kg) 1.76 -0.375 -0.66
Prot (kg) -1.57 -0.441 0.69
Fertility Sub Index 2.83
Calving Interval (days) -0.89 -1.459 1.30
Survival (%) 1.37 1.117 1.53
Calving Sub Index 0.77
Gestation Length (days) -0.84 -0.919 0.77
Beef Sub Index 9.78
Carcass Weight (kg) -25.80 -0.528 13.61
Age of Slaughter (days) 8.88 -0.432 -3.83
Maintenance Sub Index Maint. Sub Index 20.82
Live WT (kg) -67.90 -0.307 20.82
Total Carbon Sub Index 36.60

* Based on an €80/tonne carbon price