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 7.31
Milk (kg) -104.00 -0.014 1.46
Fat (kg) -10.30 -0.375 3.86
Prot (kg) -4.53 -0.441 2.00
Fertility Sub Index 0.30
Calving Interval (days) 0.49 -1.459 -0.71
Survival (%) 0.91 1.117 1.02
Calving Sub Index 0.28
Gestation Length (days) -0.31 -0.919 0.28
Beef Sub Index -2.58
Carcass Weight (kg) 4.40 -0.528 -2.32
Age of Slaughter (days) 0.61 -0.432 -0.26
Maintenance Sub Index Maint. Sub Index -1.07
Live WT (kg) 3.50 -0.307 -1.07
Total Carbon Sub Index 4.25

* Based on an €80/tonne carbon price