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 6.25
Milk (kg) -196.00 -0.014 2.74
Fat (kg) -4.00 -0.375 1.50
Prot (kg) -4.54 -0.441 2.00
Fertility Sub Index 8.07
Calving Interval (days) -4.12 -1.459 6.01
Survival (%) 1.84 1.117 2.06
Calving Sub Index 1.15
Gestation Length (days) -1.25 -0.919 1.15
Beef Sub Index 3.22
Carcass Weight (kg) -6.90 -0.528 3.64
Age of Slaughter (days) 0.98 -0.432 -0.42
Maintenance Sub Index Maint. Sub Index 2.61
Live WT (kg) -8.50 -0.307 2.61
Total Carbon Sub Index 21.28

* Based on an €80/tonne carbon price