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 4.59
Milk (kg) -99.00 -0.014 1.39
Fat (kg) -7.78 -0.375 2.91
Prot (kg) -0.65 -0.441 0.29
Fertility Sub Index 6.00
Calving Interval (days) -2.91 -1.459 4.25
Survival (%) 1.57 1.117 1.75
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.34
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 0.43 -0.432 -0.19
Maintenance Sub Index Maint. Sub Index 5.00
Live WT (kg) -16.30 -0.307 5.00
Total Carbon Sub Index 20.73

* Based on an €80/tonne carbon price