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 4.12
Milk (kg) -82.00 -0.014 1.15
Fat (kg) -5.92 -0.375 2.22
Prot (kg) -1.70 -0.441 0.75
Fertility Sub Index 6.81
Calving Interval (days) -3.08 -1.459 4.49
Survival (%) 2.07 1.117 2.31
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.50
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 0.56 -0.432 -0.24
Maintenance Sub Index Maint. Sub Index 5.21
Live WT (kg) -17.00 -0.307 5.21
Total Carbon Sub Index 21.45

* Based on an €80/tonne carbon price