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 4.76
Milk (kg) -113.00 -0.014 1.58
Fat (kg) -1.38 -0.375 0.52
Prot (kg) -6.03 -0.441 2.66
Fertility Sub Index -5.76
Calving Interval (days) 3.26 -1.459 -4.76
Survival (%) -0.90 1.117 -1.01
Calving Sub Index 0.75
Gestation Length (days) -0.82 -0.919 0.75
Beef Sub Index -0.29
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 3.12 -0.432 -1.35
Maintenance Sub Index Maint. Sub Index 0.31
Live WT (kg) -1.00 -0.307 0.31
Total Carbon Sub Index -0.24

* Based on an €80/tonne carbon price