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 2.03
Milk (kg) -112.00 -0.014 1.57
Fat (kg) -2.25 -0.375 0.84
Prot (kg) 0.86 -0.441 -0.38
Fertility Sub Index -4.35
Calving Interval (days) 2.34 -1.459 -3.41
Survival (%) -0.84 1.117 -0.94
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.45
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.37 -0.432 -1.02
Maintenance Sub Index Maint. Sub Index 1.10
Live WT (kg) -3.60 -0.307 1.10
Total Carbon Sub Index -1.24

* Based on an €80/tonne carbon price