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 13.01
Milk (kg) -247.00 -0.014 3.46
Fat (kg) -12.60 -0.375 4.72
Prot (kg) -10.96 -0.441 4.84
Fertility Sub Index 0.30
Calving Interval (days) -0.45 -1.459 0.66
Survival (%) -0.32 1.117 -0.36
Calving Sub Index -2.12
Gestation Length (days) 2.31 -0.919 -2.12
Beef Sub Index -1.54
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 5.89 -0.432 -2.54
Maintenance Sub Index Maint. Sub Index 2.76
Live WT (kg) -9.00 -0.307 2.76
Total Carbon Sub Index 12.41

* Based on an €80/tonne carbon price