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 1.78
Milk (kg) -38.00 -0.014 0.53
Fat (kg) -1.48 -0.375 0.55
Prot (kg) -1.57 -0.441 0.69
Fertility Sub Index 1.38
Calving Interval (days) -0.80 -1.459 1.17
Survival (%) 0.19 1.117 0.21
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 2.47
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) -2.66 -0.432 1.15
Maintenance Sub Index Maint. Sub Index 6.28
Live WT (kg) -20.50 -0.307 6.28
Total Carbon Sub Index 15.74

* Based on an €80/tonne carbon price