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 14.49
Milk (kg) -231.00 -0.014 3.23
Fat (kg) -15.78 -0.375 5.91
Prot (kg) -12.11 -0.441 5.34
Fertility Sub Index 7.08
Calving Interval (days) -4.34 -1.459 6.33
Survival (%) 0.67 1.117 0.75
Calving Sub Index 1.12
Gestation Length (days) -1.22 -0.919 1.12
Beef Sub Index 1.14
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 1.40 -0.432 -0.60
Maintenance Sub Index Maint. Sub Index 3.62
Live WT (kg) -11.80 -0.307 3.62
Total Carbon Sub Index 27.45

* Based on an €80/tonne carbon price