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 3.97
Milk (kg) -43.00 -0.014 0.60
Fat (kg) -4.15 -0.375 1.55
Prot (kg) -4.12 -0.441 1.82
Fertility Sub Index 1.22
Calving Interval (days) -0.76 -1.459 1.11
Survival (%) 0.10 1.117 0.11
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.26
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 1.57 -0.432 -0.68
Maintenance Sub Index Maint. Sub Index 1.41
Live WT (kg) -4.60 -0.307 1.41
Total Carbon Sub Index 5.88

* Based on an €80/tonne carbon price