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 8.21
Milk (kg) -99.00 -0.014 1.39
Fat (kg) -10.88 -0.375 4.08
Prot (kg) -6.23 -0.441 2.75
Fertility Sub Index 7.83
Calving Interval (days) -4.66 -1.459 6.80
Survival (%) 0.92 1.117 1.03
Calving Sub Index -0.60
Gestation Length (days) 0.65 -0.919 -0.60
Beef Sub Index 3.13
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) -1.51 -0.432 0.65
Maintenance Sub Index Maint. Sub Index 6.16
Live WT (kg) -20.10 -0.307 6.16
Total Carbon Sub Index 24.74

* Based on an €80/tonne carbon price