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 3.71
Milk (kg) -130.00 -0.014 1.82
Fat (kg) 0.34 -0.375 -0.13
Prot (kg) -4.58 -0.441 2.02
Fertility Sub Index 5.39
Calving Interval (days) -2.28 -1.459 3.33
Survival (%) 1.85 1.117 2.07
Calving Sub Index 0.64
Gestation Length (days) -0.70 -0.919 0.64
Beef Sub Index 3.05
Carcass Weight (kg) -10.00 -0.528 5.28
Age of Slaughter (days) 5.16 -0.432 -2.23
Maintenance Sub Index Maint. Sub Index 9.53
Live WT (kg) -31.10 -0.307 9.53
Total Carbon Sub Index 22.34

* Based on an €80/tonne carbon price