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 6.05
Milk (kg) -95.00 -0.014 1.33
Fat (kg) -7.38 -0.375 2.76
Prot (kg) -4.44 -0.441 1.96
Fertility Sub Index 9.07
Calving Interval (days) -4.36 -1.459 6.36
Survival (%) 2.42 1.117 2.70
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.42
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 1.60 -0.432 -0.69
Maintenance Sub Index Maint. Sub Index 5.00
Live WT (kg) -16.30 -0.307 5.00
Total Carbon Sub Index 24.34

* Based on an €80/tonne carbon price