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 25.85
Milk (kg) -537.00 -0.014 7.52
Fat (kg) -27.45 -0.375 10.28
Prot (kg) -18.23 -0.441 8.05
Fertility Sub Index 9.85
Calving Interval (days) -6.00 -1.459 8.75
Survival (%) 0.98 1.117 1.09
Calving Sub Index 0.93
Gestation Length (days) -1.01 -0.919 0.93
Beef Sub Index 0.40
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.50 -0.432 -1.08
Maintenance Sub Index Maint. Sub Index 3.19
Live WT (kg) -10.40 -0.307 3.19
Total Carbon Sub Index 40.21

* Based on an €80/tonne carbon price