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 -2.14
Milk (kg) 23.00 -0.014 -0.32
Fat (kg) 4.88 -0.375 -1.83
Prot (kg) -0.03 -0.441 0.01
Fertility Sub Index -2.86
Calving Interval (days) 1.73 -1.459 -2.52
Survival (%) -0.30 1.117 -0.34
Calving Sub Index -0.17
Gestation Length (days) 0.19 -0.919 -0.17
Beef Sub Index 0.50
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 2.51 -0.432 -1.08
Maintenance Sub Index Maint. Sub Index 1.56
Live WT (kg) -5.10 -0.307 1.56
Total Carbon Sub Index -3.11

* Based on an €80/tonne carbon price