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 7.02
Milk (kg) -189.00 -0.014 2.65
Fat (kg) -4.38 -0.375 1.64
Prot (kg) -6.19 -0.441 2.73
Fertility Sub Index 5.55
Calving Interval (days) -3.39 -1.459 4.95
Survival (%) 0.54 1.117 0.60
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 1.89
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) -3.27 -0.432 1.41
Maintenance Sub Index Maint. Sub Index 3.16
Live WT (kg) -10.30 -0.307 3.16
Total Carbon Sub Index 18.72

* Based on an €80/tonne carbon price