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 36.13
Milk (kg) -975.00 -0.014 13.65
Fat (kg) -27.01 -0.375 10.12
Prot (kg) -28.01 -0.441 12.36
Fertility Sub Index 5.66
Calving Interval (days) -2.28 -1.459 3.33
Survival (%) 2.09 1.117 2.33
Calving Sub Index -1.46
Gestation Length (days) 1.59 -0.919 -1.46
Beef Sub Index -2.93
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 9.72 -0.432 -4.20
Maintenance Sub Index Maint. Sub Index 5.86
Live WT (kg) -19.10 -0.307 5.86
Total Carbon Sub Index 43.25

* Based on an €80/tonne carbon price