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 1.75
Milk (kg) -3.00 -0.014 0.04
Fat (kg) 2.01 -0.375 -0.75
Prot (kg) -5.58 -0.441 2.46
Fertility Sub Index 2.06
Calving Interval (days) -1.00 -1.459 1.46
Survival (%) 0.54 1.117 0.60
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.12
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 3.75 -0.432 -1.62
Maintenance Sub Index Maint. Sub Index 1.01
Live WT (kg) -3.30 -0.307 1.01
Total Carbon Sub Index 4.48

* Based on an €80/tonne carbon price