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 8.81
Milk (kg) -183.00 -0.014 2.56
Fat (kg) -7.29 -0.375 2.73
Prot (kg) -7.97 -0.441 3.52
Fertility Sub Index 5.48
Calving Interval (days) -2.75 -1.459 4.01
Survival (%) 1.31 1.117 1.46
Calving Sub Index 0.05
Gestation Length (days) -0.05 -0.919 0.05
Beef Sub Index -1.22
Carcass Weight (kg) 1.00 -0.528 -0.53
Age of Slaughter (days) 1.61 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 0.28
Live WT (kg) -0.90 -0.307 0.28
Total Carbon Sub Index 13.38

* Based on an €80/tonne carbon price