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 0.39
Milk (kg) -43.00 -0.014 0.60
Fat (kg) 1.71 -0.375 -0.64
Prot (kg) -0.98 -0.441 0.43
Fertility Sub Index 2.53
Calving Interval (days) -1.54 -1.459 2.25
Survival (%) 0.25 1.117 0.28
Calving Sub Index 0.06
Gestation Length (days) -0.06 -0.919 0.06
Beef Sub Index 1.12
Carcass Weight (kg) -2.15 -0.528 1.13
Age of Slaughter (days) 0.03 -0.432 -0.01
Maintenance Sub Index Maint. Sub Index 3.10
Live WT (kg) -10.10 -0.307 3.10
Total Carbon Sub Index 7.20

* Based on an €80/tonne carbon price