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 4.57
Milk (kg) -82.00 -0.014 1.15
Fat (kg) -5.04 -0.375 1.89
Prot (kg) -3.47 -0.441 1.53
Fertility Sub Index 8.21
Calving Interval (days) -5.20 -1.459 7.59
Survival (%) 0.56 1.117 0.63
Calving Sub Index 0.84
Gestation Length (days) -0.91 -0.919 0.84
Beef Sub Index 0.00
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 3.31 -0.432 -1.43
Maintenance Sub Index Maint. Sub Index 3.74
Live WT (kg) -12.20 -0.307 3.74
Total Carbon Sub Index 17.36

* Based on an €80/tonne carbon price