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 1.88
Milk (kg) -104.00 -0.014 1.46
Fat (kg) 1.02 -0.375 -0.38
Prot (kg) -1.82 -0.441 0.80
Fertility Sub Index 5.02
Calving Interval (days) -2.50 -1.459 3.65
Survival (%) 1.23 1.117 1.37
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.83
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) -1.07 -0.432 0.46
Maintenance Sub Index Maint. Sub Index 5.30
Live WT (kg) -17.30 -0.307 5.30
Total Carbon Sub Index 17.84

* Based on an €80/tonne carbon price