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 2.16
Milk (kg) -145.00 -0.014 2.03
Fat (kg) 4.97 -0.375 -1.86
Prot (kg) -4.51 -0.441 1.99
Fertility Sub Index 8.45
Calving Interval (days) -4.37 -1.459 6.38
Survival (%) 1.86 1.117 2.08
Calving Sub Index 0.57
Gestation Length (days) -0.62 -0.919 0.57
Beef Sub Index 1.04
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 0.65 -0.432 -0.28
Maintenance Sub Index Maint. Sub Index 2.64
Live WT (kg) -8.60 -0.307 2.64
Total Carbon Sub Index 14.86

* Based on an €80/tonne carbon price