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 5.13
Milk (kg) -138.00 -0.014 1.93
Fat (kg) -4.79 -0.375 1.79
Prot (kg) -3.18 -0.441 1.40
Fertility Sub Index 6.50
Calving Interval (days) -2.98 -1.459 4.35
Survival (%) 1.93 1.117 2.16
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.19
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 2.61 -0.432 -1.13
Maintenance Sub Index Maint. Sub Index 3.62
Live WT (kg) -11.80 -0.307 3.62
Total Carbon Sub Index 19.25

* Based on an €80/tonne carbon price