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 7.93
Milk (kg) -208.00 -0.014 2.91
Fat (kg) -8.60 -0.375 3.22
Prot (kg) -4.07 -0.441 1.80
Fertility Sub Index 3.49
Calving Interval (days) -2.20 -1.459 3.21
Survival (%) 0.25 1.117 0.28
Calving Sub Index 2.11
Gestation Length (days) -2.30 -0.919 2.11
Beef Sub Index -2.05
Carcass Weight (kg) 1.20 -0.528 -0.63
Age of Slaughter (days) 3.28 -0.432 -1.42
Maintenance Sub Index Maint. Sub Index 1.13
Live WT (kg) -3.70 -0.307 1.13
Total Carbon Sub Index 12.62

* Based on an €80/tonne carbon price