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 6.37
Milk (kg) -146.00 -0.014 2.04
Fat (kg) -6.20 -0.375 2.32
Prot (kg) -4.55 -0.441 2.01
Fertility Sub Index 4.00
Calving Interval (days) -2.07 -1.459 3.02
Survival (%) 0.88 1.117 0.98
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index -0.17
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 2.95 -0.432 -1.27
Maintenance Sub Index Maint. Sub Index 5.15
Live WT (kg) -16.80 -0.307 5.15
Total Carbon Sub Index 19.20

* Based on an €80/tonne carbon price