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 20.04
Milk (kg) -312.00 -0.014 4.37
Fat (kg) -22.55 -0.375 8.45
Prot (kg) -16.37 -0.441 7.23
Fertility Sub Index 6.86
Calving Interval (days) -2.94 -1.459 4.29
Survival (%) 2.30 1.117 2.57
Calving Sub Index -1.41
Gestation Length (days) 1.53 -0.919 -1.41
Beef Sub Index -2.37
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 8.80 -0.432 -3.80
Maintenance Sub Index Maint. Sub Index 6.13
Live WT (kg) -20.00 -0.307 6.13
Total Carbon Sub Index 29.26

* Based on an €80/tonne carbon price