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 6.15
Milk (kg) -99.00 -0.014 1.39
Fat (kg) -8.76 -0.375 3.28
Prot (kg) -3.36 -0.441 1.48
Fertility Sub Index 4.98
Calving Interval (days) -2.47 -1.459 3.60
Survival (%) 1.23 1.117 1.37
Calving Sub Index -1.66
Gestation Length (days) 1.81 -0.919 -1.66
Beef Sub Index -2.33
Carcass Weight (kg) 1.30 -0.528 -0.69
Age of Slaughter (days) 3.81 -0.432 -1.64
Maintenance Sub Index Maint. Sub Index 3.77
Live WT (kg) -12.30 -0.307 3.77
Total Carbon Sub Index 10.90

* Based on an €80/tonne carbon price