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 10.33
Milk (kg) -164.00 -0.014 2.30
Fat (kg) -11.41 -0.375 4.27
Prot (kg) -8.53 -0.441 3.76
Fertility Sub Index 6.24
Calving Interval (days) -2.82 -1.459 4.11
Survival (%) 1.90 1.117 2.12
Calving Sub Index -1.63
Gestation Length (days) 1.77 -0.919 -1.63
Beef Sub Index -2.44
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 7.72 -0.432 -3.33
Maintenance Sub Index Maint. Sub Index 5.89
Live WT (kg) -19.20 -0.307 5.89
Total Carbon Sub Index 18.39

* Based on an €80/tonne carbon price