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 6.07
Milk (kg) -155.00 -0.014 2.17
Fat (kg) -5.21 -0.375 1.95
Prot (kg) -4.42 -0.441 1.95
Fertility Sub Index 7.57
Calving Interval (days) -4.19 -1.459 6.11
Survival (%) 1.30 1.117 1.45
Calving Sub Index 0.77
Gestation Length (days) -0.84 -0.919 0.77
Beef Sub Index 1.80
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 1.32 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 4.84
Live WT (kg) -15.80 -0.307 4.84
Total Carbon Sub Index 21.06

* Based on an €80/tonne carbon price