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 6.65
Milk (kg) -149.00 -0.014 2.09
Fat (kg) -7.12 -0.375 2.67
Prot (kg) -4.29 -0.441 1.89
Fertility Sub Index 6.40
Calving Interval (days) -3.61 -1.459 5.27
Survival (%) 1.01 1.117 1.13
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.48
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 3.05 -0.432 -1.32
Maintenance Sub Index Maint. Sub Index 3.49
Live WT (kg) -11.40 -0.307 3.49
Total Carbon Sub Index 20.83

* Based on an €80/tonne carbon price