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 3.66
Milk (kg) -25.00 -0.014 0.35
Fat (kg) -6.67 -0.375 2.50
Prot (kg) -1.85 -0.441 0.82
Fertility Sub Index 0.62
Calving Interval (days) -0.66 -1.459 0.96
Survival (%) -0.31 1.117 -0.35
Calving Sub Index -1.11
Gestation Length (days) 1.21 -0.919 -1.11
Beef Sub Index -5.13
Carcass Weight (kg) 6.00 -0.528 -3.17
Age of Slaughter (days) 4.56 -0.432 -1.97
Maintenance Sub Index Maint. Sub Index 0.49
Live WT (kg) -1.60 -0.307 0.49
Total Carbon Sub Index -1.47

* Based on an €80/tonne carbon price