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 3.72
Milk (kg) -155.00 -0.014 2.17
Fat (kg) -0.80 -0.375 0.30
Prot (kg) -2.83 -0.441 1.25
Fertility Sub Index 3.49
Calving Interval (days) -1.16 -1.459 1.69
Survival (%) 1.61 1.117 1.80
Calving Sub Index 0.81
Gestation Length (days) -0.88 -0.919 0.81
Beef Sub Index 8.16
Carcass Weight (kg) -23.20 -0.528 12.24
Age of Slaughter (days) 9.44 -0.432 -4.08
Maintenance Sub Index Maint. Sub Index 18.88
Live WT (kg) -61.60 -0.307 18.88
Total Carbon Sub Index 35.06

* Based on an €80/tonne carbon price