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 2.39
Milk (kg) -9.00 -0.014 0.13
Fat (kg) -4.87 -0.375 1.82
Prot (kg) -1.00 -0.441 0.44
Fertility Sub Index 3.11
Calving Interval (days) -2.08 -1.459 3.03
Survival (%) 0.07 1.117 0.08
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -1.05
Carcass Weight (kg) 2.80 -0.528 -1.48
Age of Slaughter (days) -0.99 -0.432 0.43
Maintenance Sub Index Maint. Sub Index -2.88
Live WT (kg) 9.40 -0.307 -2.88
Total Carbon Sub Index 1.10

* Based on an €80/tonne carbon price