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 7.91
Milk (kg) -176.00 -0.014 2.46
Fat (kg) -6.29 -0.375 2.36
Prot (kg) -6.99 -0.441 3.09
Fertility Sub Index 5.10
Calving Interval (days) -2.49 -1.459 3.63
Survival (%) 1.31 1.117 1.46
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.42
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.34 -0.432 -0.58
Maintenance Sub Index Maint. Sub Index 4.20
Live WT (kg) -13.70 -0.307 4.20
Total Carbon Sub Index 21.42

* Based on an €80/tonne carbon price