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 4.70
Milk (kg) -102.00 -0.014 1.43
Fat (kg) -8.01 -0.375 3.00
Prot (kg) -0.62 -0.441 0.27
Fertility Sub Index 5.98
Calving Interval (days) -2.99 -1.459 4.36
Survival (%) 1.45 1.117 1.62
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.10
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) -1.21 -0.432 0.52
Maintenance Sub Index Maint. Sub Index 6.65
Live WT (kg) -21.70 -0.307 6.65
Total Carbon Sub Index 23.25

* Based on an €80/tonne carbon price