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 2.86
Milk (kg) -93.00 -0.014 1.30
Fat (kg) -1.16 -0.375 0.43
Prot (kg) -2.55 -0.441 1.13
Fertility Sub Index 3.59
Calving Interval (days) -1.92 -1.459 2.80
Survival (%) 0.71 1.117 0.79
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 4.46
Carcass Weight (kg) -6.80 -0.528 3.59
Age of Slaughter (days) -2.03 -0.432 0.88
Maintenance Sub Index Maint. Sub Index 6.81
Live WT (kg) -22.20 -0.307 6.81
Total Carbon Sub Index 21.55

* Based on an €80/tonne carbon price