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 5.41
Milk (kg) -118.00 -0.014 1.65
Fat (kg) -8.54 -0.375 3.20
Prot (kg) -1.26 -0.441 0.56
Fertility Sub Index 5.52
Calving Interval (days) -2.52 -1.459 3.68
Survival (%) 1.65 1.117 1.84
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.50
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) -1.26 -0.432 0.54
Maintenance Sub Index Maint. Sub Index 6.53
Live WT (kg) -21.30 -0.307 6.53
Total Carbon Sub Index 23.76

* Based on an €80/tonne carbon price