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 11.01
Milk (kg) -172.00 -0.014 2.41
Fat (kg) -6.22 -0.375 2.33
Prot (kg) -14.20 -0.441 6.27
Fertility Sub Index 1.02
Calving Interval (days) -0.58 -1.459 0.85
Survival (%) 0.16 1.117 0.18
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.05
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.85 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 2.08
Live WT (kg) -6.80 -0.307 2.08
Total Carbon Sub Index 13.69

* Based on an €80/tonne carbon price