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 10.13
Milk (kg) -351.00 -0.014 4.91
Fat (kg) -4.18 -0.375 1.57
Prot (kg) -8.27 -0.441 3.65
Fertility Sub Index 7.21
Calving Interval (days) -4.33 -1.459 6.32
Survival (%) 0.80 1.117 0.89
Calving Sub Index 0.67
Gestation Length (days) -0.73 -0.919 0.67
Beef Sub Index 1.55
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 0.80 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 3.03
Live WT (kg) -9.90 -0.307 3.03
Total Carbon Sub Index 22.59

* Based on an €80/tonne carbon price