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) -126.00 -0.014 1.76
Fat (kg) -2.18 -0.375 0.82
Prot (kg) -3.15 -0.441 1.39
Fertility Sub Index 4.02
Calving Interval (days) -1.53 -1.459 2.23
Survival (%) 1.60 1.117 1.79
Calving Sub Index 0.73
Gestation Length (days) -0.79 -0.919 0.73
Beef Sub Index 0.11
Carcass Weight (kg) -7.20 -0.528 3.80
Age of Slaughter (days) 8.54 -0.432 -3.69
Maintenance Sub Index Maint. Sub Index 9.26
Live WT (kg) -30.20 -0.307 9.26
Total Carbon Sub Index 18.09

* Based on an €80/tonne carbon price