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 1.02
Milk (kg) -44.00 -0.014 0.62
Fat (kg) 0.06 -0.375 -0.02
Prot (kg) -0.96 -0.441 0.42
Fertility Sub Index 4.02
Calving Interval (days) -1.51 -1.459 2.20
Survival (%) 1.63 1.117 1.82
Calving Sub Index 0.75
Gestation Length (days) -0.82 -0.919 0.75
Beef Sub Index -0.75
Carcass Weight (kg) -5.70 -0.528 3.01
Age of Slaughter (days) 8.71 -0.432 -3.76
Maintenance Sub Index Maint. Sub Index 8.58
Live WT (kg) -28.00 -0.307 8.58
Total Carbon Sub Index 13.62

* Based on an €80/tonne carbon price