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 6.21
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -4.46 -0.375 1.67
Prot (kg) -7.09 -0.441 3.13
Fertility Sub Index 3.25
Calving Interval (days) -2.08 -1.459 3.03
Survival (%) 0.19 1.117 0.21
Calving Sub Index 0.31
Gestation Length (days) -0.34 -0.919 0.31
Beef Sub Index -0.67
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 2.77 -0.432 -1.20
Maintenance Sub Index Maint. Sub Index -2.02
Live WT (kg) 6.60 -0.307 -2.02
Total Carbon Sub Index 7.09

* Based on an €80/tonne carbon price