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 1.69
Milk (kg) -137.00 -0.014 1.92
Fat (kg) 2.35 -0.375 -0.88
Prot (kg) -1.47 -0.441 0.65
Fertility Sub Index 6.68
Calving Interval (days) -3.29 -1.459 4.80
Survival (%) 1.68 1.117 1.88
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.79
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 1.60 -0.432 -0.69
Maintenance Sub Index Maint. Sub Index 4.29
Live WT (kg) -14.00 -0.307 4.29
Total Carbon Sub Index 17.24

* Based on an €80/tonne carbon price