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 8.58
Milk (kg) -166.00 -0.014 2.32
Fat (kg) -7.19 -0.375 2.69
Prot (kg) -8.08 -0.441 3.57
Fertility Sub Index 6.59
Calving Interval (days) -4.25 -1.459 6.20
Survival (%) 0.35 1.117 0.39
Calving Sub Index 0.03
Gestation Length (days) -0.03 -0.919 0.03
Beef Sub Index -0.97
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 3.47 -0.432 -1.50
Maintenance Sub Index Maint. Sub Index 3.07
Live WT (kg) -10.00 -0.307 3.07
Total Carbon Sub Index 17.30

* Based on an €80/tonne carbon price