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 2.38
Milk (kg) -93.00 -0.014 1.30
Fat (kg) 0.40 -0.375 -0.15
Prot (kg) -2.79 -0.441 1.23
Fertility Sub Index 4.79
Calving Interval (days) -2.58 -1.459 3.76
Survival (%) 0.92 1.117 1.03
Calving Sub Index 0.79
Gestation Length (days) -0.86 -0.919 0.79
Beef Sub Index 1.71
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) 1.42 -0.432 -0.61
Maintenance Sub Index Maint. Sub Index 2.88
Live WT (kg) -9.40 -0.307 2.88
Total Carbon Sub Index 12.55

* Based on an €80/tonne carbon price