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 13.60
Milk (kg) -361.00 -0.014 5.05
Fat (kg) -13.32 -0.375 4.99
Prot (kg) -8.05 -0.441 3.55
Fertility Sub Index 4.76
Calving Interval (days) -2.76 -1.459 4.03
Survival (%) 0.66 1.117 0.74
Calving Sub Index 1.63
Gestation Length (days) -1.77 -0.919 1.63
Beef Sub Index -0.66
Carcass Weight (kg) 3.80 -0.528 -2.00
Age of Slaughter (days) -3.11 -0.432 1.34
Maintenance Sub Index Maint. Sub Index -0.03
Live WT (kg) 0.10 -0.307 -0.03
Total Carbon Sub Index 19.29

* Based on an €80/tonne carbon price