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 -3.40
Milk (kg) -4.00 -0.014 0.06
Fat (kg) 6.42 -0.375 -2.40
Prot (kg) 2.39 -0.441 -1.05
Fertility Sub Index -3.01
Calving Interval (days) 1.69 -1.459 -2.47
Survival (%) -0.49 1.117 -0.55
Calving Sub Index 0.84
Gestation Length (days) -0.91 -0.919 0.84
Beef Sub Index -0.33
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 2.10 -0.432 -0.91
Maintenance Sub Index Maint. Sub Index 1.23
Live WT (kg) -4.00 -0.307 1.23
Total Carbon Sub Index -4.68

* Based on an €80/tonne carbon price