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 4.31
Milk (kg) -117.00 -0.014 1.64
Fat (kg) -3.40 -0.375 1.27
Prot (kg) -3.17 -0.441 1.40
Fertility Sub Index 7.96
Calving Interval (days) -4.16 -1.459 6.07
Survival (%) 1.69 1.117 1.89
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.88
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 3.10 -0.432 -1.34
Maintenance Sub Index Maint. Sub Index 5.03
Live WT (kg) -16.40 -0.307 5.03
Total Carbon Sub Index 21.97

* Based on an €80/tonne carbon price