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 3.02
Milk (kg) -55.00 -0.014 0.77
Fat (kg) -0.73 -0.375 0.27
Prot (kg) -4.47 -0.441 1.97
Fertility Sub Index 4.34
Calving Interval (days) -2.89 -1.459 4.22
Survival (%) 0.11 1.117 0.12
Calving Sub Index -1.73
Gestation Length (days) 1.88 -0.919 -1.73
Beef Sub Index -3.72
Carcass Weight (kg) 4.80 -0.528 -2.53
Age of Slaughter (days) 2.75 -0.432 -1.19
Maintenance Sub Index Maint. Sub Index 0.25
Live WT (kg) -0.80 -0.307 0.25
Total Carbon Sub Index 2.15

* Based on an €80/tonne carbon price