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 7.40
Milk (kg) -160.00 -0.014 2.24
Fat (kg) -6.09 -0.375 2.28
Prot (kg) -6.53 -0.441 2.88
Fertility Sub Index 6.48
Calving Interval (days) -3.15 -1.459 4.60
Survival (%) 1.69 1.117 1.89
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.06
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -0.98 -0.432 0.42
Maintenance Sub Index Maint. Sub Index 5.82
Live WT (kg) -19.00 -0.307 5.82
Total Carbon Sub Index 25.57

* Based on an €80/tonne carbon price