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 1.04
Milk (kg) -46.00 -0.014 0.64
Fat (kg) 0.07 -0.375 -0.03
Prot (kg) -0.96 -0.441 0.42
Fertility Sub Index 3.85
Calving Interval (days) -1.47 -1.459 2.14
Survival (%) 1.53 1.117 1.71
Calving Sub Index 0.74
Gestation Length (days) -0.80 -0.919 0.74
Beef Sub Index 0.20
Carcass Weight (kg) -7.60 -0.528 4.01
Age of Slaughter (days) 8.82 -0.432 -3.81
Maintenance Sub Index Maint. Sub Index 9.63
Live WT (kg) -31.40 -0.307 9.63
Total Carbon Sub Index 15.46

* Based on an €80/tonne carbon price