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 3.76
Milk (kg) -29.00 -0.014 0.41
Fat (kg) -6.10 -0.375 2.28
Prot (kg) -2.42 -0.441 1.07
Fertility Sub Index -1.60
Calving Interval (days) 0.86 -1.459 -1.25
Survival (%) -0.31 1.117 -0.35
Calving Sub Index 0.24
Gestation Length (days) -0.26 -0.919 0.24
Beef Sub Index 0.28
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.68 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index -0.12
Live WT (kg) 0.40 -0.307 -0.12
Total Carbon Sub Index 2.55

* Based on an €80/tonne carbon price