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 6.09
Milk (kg) -164.00 -0.014 2.30
Fat (kg) -5.57 -0.375 2.09
Prot (kg) -3.86 -0.441 1.70
Fertility Sub Index 3.69
Calving Interval (days) -1.62 -1.459 2.36
Survival (%) 1.19 1.117 1.33
Calving Sub Index -2.10
Gestation Length (days) 2.28 -0.919 -2.10
Beef Sub Index -1.75
Carcass Weight (kg) 2.40 -0.528 -1.27
Age of Slaughter (days) 1.13 -0.432 -0.49
Maintenance Sub Index Maint. Sub Index -0.58
Live WT (kg) 1.90 -0.307 -0.58
Total Carbon Sub Index 5.35

* Based on an €80/tonne carbon price