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 -1.61
Milk (kg) 23.00 -0.014 -0.32
Fat (kg) 3.50 -0.375 -1.31
Prot (kg) -0.05 -0.441 0.02
Fertility Sub Index 1.44
Calving Interval (days) -0.76 -1.459 1.11
Survival (%) 0.30 1.117 0.34
Calving Sub Index -0.26
Gestation Length (days) 0.28 -0.919 -0.26
Beef Sub Index 0.02
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.40 -0.432 -1.04
Maintenance Sub Index Maint. Sub Index 0.86
Live WT (kg) -2.80 -0.307 0.86
Total Carbon Sub Index 0.46

* Based on an €80/tonne carbon price