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 2.15
Milk (kg) 61.00 -0.014 -0.85
Fat (kg) -4.24 -0.375 1.59
Prot (kg) -3.20 -0.441 1.41
Fertility Sub Index 0.92
Calving Interval (days) -0.56 -1.459 0.82
Survival (%) 0.09 1.117 0.10
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.33
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 1.98 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 1.81
Live WT (kg) -5.90 -0.307 1.81
Total Carbon Sub Index 4.08

* Based on an €80/tonne carbon price