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 23.05
Milk (kg) -720.00 -0.014 10.08
Fat (kg) -14.68 -0.375 5.50
Prot (kg) -16.92 -0.441 7.47
Fertility Sub Index 6.02
Calving Interval (days) -4.17 -1.459 6.08
Survival (%) -0.06 1.117 -0.07
Calving Sub Index -1.54
Gestation Length (days) 1.68 -0.919 -1.54
Beef Sub Index 1.23
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) -1.27 -0.432 0.55
Maintenance Sub Index Maint. Sub Index 2.48
Live WT (kg) -8.10 -0.307 2.48
Total Carbon Sub Index 31.24

* Based on an €80/tonne carbon price