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 10.05
Milk (kg) -118.00 -0.014 1.65
Fat (kg) -13.54 -0.375 5.07
Prot (kg) -7.54 -0.441 3.33
Fertility Sub Index -0.88
Calving Interval (days) 0.00 -1.459 0.00
Survival (%) -0.79 1.117 -0.88
Calving Sub Index -1.29
Gestation Length (days) 1.40 -0.919 -1.29
Beef Sub Index -2.74
Carcass Weight (kg) 0.80 -0.528 -0.42
Age of Slaughter (days) 5.37 -0.432 -2.32
Maintenance Sub Index Maint. Sub Index 2.58
Live WT (kg) -8.40 -0.307 2.58
Total Carbon Sub Index 7.72

* Based on an €80/tonne carbon price