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 5.81
Milk (kg) -97.00 -0.014 1.36
Fat (kg) -8.61 -0.375 3.22
Prot (kg) -2.79 -0.441 1.23
Fertility Sub Index 5.31
Calving Interval (days) -2.58 -1.459 3.76
Survival (%) 1.38 1.117 1.54
Calving Sub Index -1.31
Gestation Length (days) 1.42 -0.919 -1.31
Beef Sub Index -3.62
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) 8.01 -0.432 -3.46
Maintenance Sub Index Maint. Sub Index 4.05
Live WT (kg) -13.20 -0.307 4.05
Total Carbon Sub Index 10.25

* Based on an €80/tonne carbon price