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 5.38
Milk (kg) -149.00 -0.014 2.09
Fat (kg) -3.22 -0.375 1.21
Prot (kg) -4.74 -0.441 2.09
Fertility Sub Index 6.98
Calving Interval (days) -3.35 -1.459 4.89
Survival (%) 1.87 1.117 2.09
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.49
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) -1.61 -0.432 0.70
Maintenance Sub Index Maint. Sub Index 6.56
Live WT (kg) -21.40 -0.307 6.56
Total Carbon Sub Index 25.21

* Based on an €80/tonne carbon price