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 5.53
Milk (kg) -117.00 -0.014 1.64
Fat (kg) -8.81 -0.375 3.30
Prot (kg) -1.34 -0.441 0.59
Fertility Sub Index 4.33
Calving Interval (days) -2.25 -1.459 3.28
Survival (%) 0.94 1.117 1.05
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.93
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) -1.67 -0.432 0.72
Maintenance Sub Index Maint. Sub Index 5.33
Live WT (kg) -17.40 -0.307 5.33
Total Carbon Sub Index 20.93

* Based on an €80/tonne carbon price