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 1.59
Milk (kg) -42.00 -0.014 0.59
Fat (kg) -0.91 -0.375 0.34
Prot (kg) -1.49 -0.441 0.66
Fertility Sub Index 4.04
Calving Interval (days) -2.10 -1.459 3.06
Survival (%) 0.87 1.117 0.97
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 1.15
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 0.14 -0.432 -0.06
Maintenance Sub Index Maint. Sub Index 5.40
Live WT (kg) -17.60 -0.307 5.40
Total Carbon Sub Index 16.01

* Based on an €80/tonne carbon price