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 2.63
Milk (kg) 27.00 -0.014 -0.38
Fat (kg) -4.16 -0.375 1.56
Prot (kg) -3.29 -0.441 1.45
Fertility Sub Index 0.05
Calving Interval (days) 0.19 -1.459 -0.28
Survival (%) 0.29 1.117 0.32
Calving Sub Index 0.28
Gestation Length (days) -0.31 -0.919 0.28
Beef Sub Index 0.70
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 0.70 -0.432 -0.30
Maintenance Sub Index Maint. Sub Index -1.56
Live WT (kg) 5.10 -0.307 -1.56
Total Carbon Sub Index 2.10

* Based on an €80/tonne carbon price