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 1.09
Milk (kg) -143.00 -0.014 2.00
Fat (kg) 2.54 -0.375 -0.95
Prot (kg) -0.09 -0.441 0.04
Fertility Sub Index 0.41
Calving Interval (days) 0.13 -1.459 -0.19
Survival (%) 0.54 1.117 0.60
Calving Sub Index 1.96
Gestation Length (days) -2.13 -0.919 1.96
Beef Sub Index -0.65
Carcass Weight (kg) -0.20 -0.528 0.11
Age of Slaughter (days) 1.76 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 3.28
Live WT (kg) -10.70 -0.307 3.28
Total Carbon Sub Index 6.09

* Based on an €80/tonne carbon price