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 3.53
Milk (kg) -97.00 -0.014 1.36
Fat (kg) -2.75 -0.375 1.03
Prot (kg) -2.58 -0.441 1.14
Fertility Sub Index 3.20
Calving Interval (days) -2.61 -1.459 3.81
Survival (%) -0.54 1.117 -0.60
Calving Sub Index 0.24
Gestation Length (days) -0.26 -0.919 0.24
Beef Sub Index 2.00
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) 0.61 -0.432 -0.26
Maintenance Sub Index Maint. Sub Index 3.49
Live WT (kg) -11.40 -0.307 3.49
Total Carbon Sub Index 12.47

* Based on an €80/tonne carbon price