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 6.58
Milk (kg) -182.00 -0.014 2.55
Fat (kg) -3.53 -0.375 1.32
Prot (kg) -6.13 -0.441 2.71
Fertility Sub Index 6.11
Calving Interval (days) -2.96 -1.459 4.32
Survival (%) 1.60 1.117 1.79
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.51
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 0.28 -0.432 -0.12
Maintenance Sub Index Maint. Sub Index 4.87
Live WT (kg) -15.90 -0.307 4.87
Total Carbon Sub Index 22.88

* Based on an €80/tonne carbon price