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 2.77
Milk (kg) -39.00 -0.014 0.55
Fat (kg) -3.13 -0.375 1.17
Prot (kg) -2.38 -0.441 1.05
Fertility Sub Index 0.30
Calving Interval (days) 0.17 -1.459 -0.25
Survival (%) 0.49 1.117 0.55
Calving Sub Index -0.83
Gestation Length (days) 0.90 -0.919 -0.83
Beef Sub Index -1.38
Carcass Weight (kg) 1.30 -0.528 -0.69
Age of Slaughter (days) 1.60 -0.432 -0.69
Maintenance Sub Index Maint. Sub Index 3.07
Live WT (kg) -10.00 -0.307 3.07
Total Carbon Sub Index 3.92

* Based on an €80/tonne carbon price