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 3.20
Milk (kg) -80.00 -0.014 1.12
Fat (kg) -4.44 -0.375 1.66
Prot (kg) -0.94 -0.441 0.41
Fertility Sub Index 6.77
Calving Interval (days) -3.17 -1.459 4.63
Survival (%) 1.92 1.117 2.15
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.90
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 0.98 -0.432 -0.42
Maintenance Sub Index Maint. Sub Index 4.90
Live WT (kg) -16.00 -0.307 4.90
Total Carbon Sub Index 19.58

* Based on an €80/tonne carbon price