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 6.07
Milk (kg) -150.00 -0.014 2.10
Fat (kg) -3.41 -0.375 1.28
Prot (kg) -6.11 -0.441 2.70
Fertility Sub Index 5.74
Calving Interval (days) -2.87 -1.459 4.19
Survival (%) 1.39 1.117 1.55
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.64
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) -0.86 -0.432 0.37
Maintenance Sub Index Maint. Sub Index 4.66
Live WT (kg) -15.20 -0.307 4.66
Total Carbon Sub Index 21.92

* Based on an €80/tonne carbon price