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 8.02
Milk (kg) -135.00 -0.014 1.89
Fat (kg) -12.25 -0.375 4.59
Prot (kg) -3.49 -0.441 1.54
Fertility Sub Index 3.15
Calving Interval (days) -2.80 -1.459 4.09
Survival (%) -0.84 1.117 -0.94
Calving Sub Index -0.24
Gestation Length (days) 0.26 -0.919 -0.24
Beef Sub Index -0.30
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 4.35 -0.432 -1.88
Maintenance Sub Index Maint. Sub Index 0.37
Live WT (kg) -1.20 -0.307 0.37
Total Carbon Sub Index 11.00

* Based on an €80/tonne carbon price